It's really weird how many people seem to _want_ the tech industry to just wither and die. It's unlikely and unrealistic. There may be a sharp correction, but it's unrealistic to think that the behemoths with a moat are going anywhere.
Meta/Goog are (eng staff wise) oversized for their output. Both of their leaderships aren't leading very well.
Despite the hype and capabilities offered, none of the big players have find ways to use their AI assets. That's a poor indicator of their future. You can almost smell the disruption coming..
We don't even know the market demand for these products because cheap money has made everyone a startup founder, and every company pivoted to providing a "tech" solution when it might not have been economically viable or provided any profit.
You wrote: “Since most tech/saas companies sell/support other saas companies, they all go down.”