SH abandoned academia for a more lucrative and rewarding tax advisor areer after achieving tenure. I don't see anything wrong with that. Although a tard crazy, he generally seems happy and a decent human being. rudi otoh...There is nothing wrong with that, provided you quit your academic job.
EJMR often jokes about consulting while being a professor but it used to be the norm for german professors to have lucrative non-academic jobs and doing the minimum work as a professor to net get fired.