Which is why technology churn and cultivating ageism are so useful. It's a fabulous cover for the con. That person didn't get death marched into burning out in his closet sized apartment. He turned 30 and couldn't hack React. Hey, check out this Ayn Rand novel...

Short time frames and code quality being less visible to customers than construction or build quality of physical goods. It's a lot easier to build a (really shitty underneath the hood) app without experience than to design or build an airplane without experience. In most cases you can dump a good chunk of your stake for a massive profit before the poor infrastructure and maintenance costs become an issue (the Twitter "fail whale" and rewrites are the outlier here, I think, where the scale came much faster than the payoffs).

Maturity. Not every industry can sustain a "move fast and break things" mentality. Software is fairly young in terms of capital investment growth. Wait till it becomes as boring and grave as manufacturing.