The trick to surviving under such management is to jump in and put out other peoples' fires but not spend time preventing them even if you know how to.
Yeah, I got my PMP before applying around, combined with some luck I suppose. My IT role was basically a solo sysadmin before where I basically was the technical PM + engineer in one, and I did that for about 8 years so I had a ton of experience I could spin on my resume.
Ah yes, the good old ITism "Everything's good, what are we even paying you for?" followed by "Everything's on fire, what are we even paying you for?"
I moved out of it largely for that reason, am now an infrastructure/IT project manager, quite refreshing actually.