I've seen this phenomenon too, and have seen entire engineering teams descend into mediocrity because the companies and their leaders tolerated such behavior an

I've seen this phenomenon too, and have seen entire engineering teams descend into mediocrity because the companies and their leaders tolerated such behavior and/or had no effective tools against it. I'm curious, too, what tips the HN community has to get such people exposed, mentored or fired, as the case may be.