I wouldn't choose computers + software as my tech. There are far more and greater opportunities in broader domains. Currently I'm dabbling with under-water robotics.
I know cause I’ve been doing the FIRE thing for about 2.5 years (starting in my early 30s) and I get shit on it all the time. It’s nuts.
I know some HNW people, some are nice, some are nasty. Some are lazy, some are amazingly productive. Some are in tech. Some are in arts. Some are spending their wealth on charity. Overall, I don't think being financially independent determines the best course, it's very subjective.
The best outcome for all of us, is to stop people being capable of being obscenely rich. I expect to get downvoted for that, but having thousands of multiples of net worth beyond the people around you is fundamentally a-social. The upside of job creation is massively offset by the other outcomes of the inequality.