The 2000 dot com bust wasn’t because all of the ideas were bad most weren’t. They were too soon and before high speed internet was ubiquitous at home let alone in everyone’s pocket.
Incidentally, back then I was a regular old Windows enterprise developer in Atlanta and there were plenty of jobs available at boring companies.
In 2008 was a general shit show for everone. But for tech, the what we now know as the BigTech companies were hiring like crazy and growing old crazy. Just based on the law of large numbers, they aren’t going to grow over the next decade like they grew over the last decade.
They have proven that they can keep going and keep dominating with less people. AI is already started automating the jobs of mid level ticket takers and it’s only going go get worse. Just like factory jobs aren’t coming back.