For being a tech entrepreneur forum people here are strangely very anti science and technology. The top voted responses to every new product announcement are essentially "why do we need this? Pen and paper work just fine".
Rather, very anti science and technology hype. Many visitors of this website measure experience by decades, and have seen many waves of hype resiting in not much progress in unyielding areas, from self-driving car and silver-bullet methodologies to, well, commercial fusion.
When demonstrable, measure progress is achieved, visitors of this site get very excited and positive, from things like the Rust language all the way to solar power and reusable rockets.
A breakthrough is a qualitative change, not (merely) quantitative. 95% to 96% of reaction energy output is a nice but quantitative advance. 99% to 101% is a qualitative breakthrough: suddenly, it's a surplus, actual generation.
This is the very opposite to silver bullet approaches to fusion, though. This is a methodical, military-industrial-complex style development that was decades in the making.
I think it’s just the Zeitgeist. Social media has trained us that a certain reasoning style is rewarded, quick takes that don’t dig into the first principles and instead serve as shibboleths that you’re not one of THOSE types of unintellectual pseudo tech bros who bought NFTs or whatever.
I have plenty of experience and I don't agree that it's about hype. IMHO it's about the standard human reactionary response to something new and challenging [0], and people trying to sound smarter than something or someone by criticizing. It is disappointing.
[0] The saying is true IME: First they laugh at it (ridicule it), then they say it's not in the Bible (conflicts with the norm), then they say they believed it all along.
If you are always a naysayer you will be right 90% of the time and can feel smug and pat yourself on the back for it (so, like everyone here). However, progress comes from people willing to take risks and make wild bets for the small chance that they are in the 10%.
In fusion research, pessimism is realism. Especially in laser powered fusion.
This experiment is producing 2.5 MJ of output for 500 MJ of input.
Roughly once a day.
After decades of basic research.
It's a scientific breakthrough in the sense that the rocks are now being banged together hard enough to make sparks. And a little more is known about rock banging than was known ten years ago.
But it's clearly not going to be producing power on a commercial scale any time soon.
Aside from the particular percentages I don't exactly disagree with your observation about the odds of being right or wrong in the respective cases, but I think the skepticism being due to an lazy pursuit of this smugness and self-congratulation you describe is almost entirely flawed as an explanation of motivations.
Instead, I'd like to suggest, in addition to having with cumulative exposure developed a severe hype allergy, a lot of us are burnt with respect to that so-called progress. There's been a fair bit of outright corrupted delivery on the promise of new technology, not least IT, and many people here are savvy enough to see the costs of wrongheaded changes.
'Move fast or not, we don't care much, but back off breaking things we liked and leaving the rest of us picking up the shards.'
The problem is this might be true, but it will not always be true. The horse was probably better than the first cars for a while, but progress changed that.
Old computers perform better and use fewer resources? Have you used, say, a PC in the 90s? The fans were loud, the power usage constant and high, and the performance lacking by so many orders of magnitude that it can just be emulated in software today.
> the more someone has deep understanding in tech, the more they are critical of it.
I think the criticism comes mostly from people with just a little knowledge, trying to sound and feel like they know more. Just a few talking points or principles enable you to criticize, but not seriously analyze (much less create).
Everyone is a cynic simply because cynicism is easy. Any infosec professional can go "computers are insecure, never use them". And the advice will be correct, but ultimately useless. The ones worth anything won't just point out problems but also find solutions.
Most people in tech are cynical about tech because they intimately know the vision is waaay further out than reality, they know the breed and sometimes the names of the squirrels running in the wheels making it work, and have gone through more figurative duct tape and baling wire than most developing nations.
There's a bias for empiricism. People don't believe stuff until there's 50 years worth of data and 1000 politically correct and carbon neutral peer-reviewed papers on it. It must be approved by ethical panels and experts on TV. Only then it becomes science™.