I submitted two PRs for sites that have 2FA that they didn’t have.
One they argued about whether it’s a big enough site to include (a commercial vps/server hosting company across ~5 countries) and never approved, the other they complained that the site doesn’t document it well enough so it must not exist (despite me using it).
I gave up when they then got a bad reply from the company in question (saying they only support sms) and changed my PR despite me telling them it’s wrong (because customer service reps never get anything wrong?)