People normally don't notice Teams going down because it's "gone down" behavior blends in perfectly with it's normal rotating variety of random glitches and shitty UX decisions.
Teams is good when you want to complain about a colleague quietly. It's absolutely not good when you want to complain about your boss, management in general or the IT-department. But when I want to complain about the old guys at work, it's a perfect place, since the design makes the old people hate it