[Citation needed]. Can you imagine telling this to someone who is about to present on a conference call, but zoom updated automatically and fails to start now?
I imagine MS has crunched the numbers at some point, and decided that the amount of lost work and interruptions due to forcible updates (especially contrasted with the benefits of updates) is not causing a significant number of people to ditch their OS for a competitor.
I'll answer my question: Companies make decisions on the margin. They don't care that they have 85% of the market. They want that next percentage point.
The users who might switch to or from competitors are precisely the "swing voters" they have to consider.