My point is that while it seems insane to leave half a million in RSUs to leave a company, if the person thinks their job is in a precarious position, it’s extremely unlikely they would ever have vested them all anyway. So the money was never really theirs to begin with.
Now, is that DevOps engineer worth that much more than the warehouse guy who picks the item to send to you? I doubt it. But it seems like that’s the going rate for a competent DevOps engineer with the relevant experience. While the qualifications to be in the warehouse are not quite so stringent.