Are they really though? And if so, how much of that is due to the hyper growth in this specific space?

Meanwhile, the SWE job market across all companies seems pretty rough right now. Talk to someone looking for a job. Most companies seem to be in a holding pattern - little to no new SWE positions available.

So they still might do but in parallel the software engineering market in china and india is collapsing.

Is there any evidence of this?

Best explanation I’ve heard is that “coding is solved but software engineering hasn’t”.