That isn't the slam dunk you think it is. Just because they won't doesn't mean they can't. MS have decided it isn't important enough to fix.

Fwiw I view MS as a terrible (software) product company. All of their products fall short of delivering, in my opinion. I think of them as the "80 percenters" - their prpduxts do 80% of what any user reasonably expects as UX of their products, or of what their competition offers.

Teams: 80% of Slack. Azure: 80% of AWS.

Etc.

Have discovered a bug within their product(s)? Unless you have an account manager on speedial (and thus are paying the kind of fees that get you an account manager) good luck getting any kind of response that isn't some cut/paste job by a community "MVP"