Don’t think there is a clear line to draw as to where the person stops and the professional performance starts when it comes to management because on soft skill it is inherently driven by personal attributes. It’s a bit like a good salesman exudes likeability - it’s integral to the performance of the job and part of the person.
He may well be a shit manager. I have no idea. Either way it’s not something you casually throw out there in a blog like this
> "Oven is going to be a grind, especially the first nine months or so. If work-life balance means a lot of time spent not working, it's probably not a good fit."
Stinky manager is charitable.