Earlier quoted context omitted.
I bet a large percentage of Slack people _tried super hard_ to stop that cohort of PMs. However, you can only fight upwards so much before you just check out completely, cash the checks, and halfheartedly build whatever nonsense they're forcing through.
It's really demoralizing to be on a team on which the devs clearly have better design and UX sense than the designer(s) and/or product manager. But not the titles—they're "just" software developers who couldn't possibly understand users or design or common friggin' sense.
And then it turned out that there's an undocumented registry key to re-enable the old behavior, that was leaked without much fanfare (https://www.richard-banks.org/2012/06/how-to-prevent-visual-...). It was never mentioned in any official documentation, but word of mouth spread it far and wide, and its existence probably spared the worst in terms of angry user rants.
Ironically, the outcry over the caps was big enough that this setting eventually got an official checkbox in a major release sometime later, and then became the default behavior again.