In a SWE job market like this, do you really want to be seen as the "conscientious objector"?
There are literally thousands of people who are ready to ride up the totem pole, it would not be a difficult decision for a bad manager to swing his axe and replace the new head
Talented engineers shouldn’t have much problem finding another position even in this market (of course they should find one before leaving I’m not discounting family responsibilities and whatnot), so if your argument is they’re not able to leave and find another job then you’re essentially agreeing with the person you’re replying to.