Oh yes. I've been a designer for a (locally) competing maps service, and I failed miserably at convincing the PM and devs that we should do quite a lot of work

Oh yes. I've been a designer for a (locally) competing maps service, and I failed miserably at convincing the PM and devs that we should do quite a lot of work (changes to already established behavior) to make sure we aren't ever moving a map viewport user has set up, and that violating this rule makes people angry.