>more and more companies are spamming my inbox despite disabling any promotional emails in their settings.
The other trick I've noticed is companies will add new categories and default those on. I'll see a whole page of categories and somehow the last one will be enabled even though I'm sure I'd have turned them all off when I disabled the bulk of them.
True.
Another worse offender is gitlab. They send promotions hidden as a part of this is obligatory account related into telling blah blah and adding BTW see these extra features for more payments.