Well that's not the experience I've had at all. I bet you if you ask any senior engineer they'd tell you the numerous different ways they have really messed over their careers.

I think it's especially true in tech jobs where there is a lot learned on the job. I would be deeply skeptical of any tech company that takes a fire first attitude. That just tells me they 1) treat devs as disposable and 2) they get rid of everyone that has a chance to learn from their mistakes