Earlier quoted context omitted.
Are you joking? This is extraordinarily bad advice and a great way to get blacklisted. At least be a little more tactful about it…
Blacklisted by who exactly? It’s a stupid job not something sinister. This is a standard tactic used by plenty of folk.
After 5 years working in a very successful product line, core to the company
This makes me think that what they do isn’t some “stupid job”. Not every subfield is massive with tons of nameless bosses and employers; sometimes people are really specialized. Word about shitty behavior spreads. Kinda like how word spreads in the dev community about bad employers