I mean, it definitely is, but you also have to admit that it's very in-character for Microsoft to intentionally break stuff, just to push their own software.
MS Teams, for example, will pretend that Video calls aren't possible to do on Firefox. Until you use a tool like User-Agent-Switcher to set the user-agent to MS Edge and you find out that video calls and screen sharing work flawlessly.
Chrome works as well. With their browser essentially being a reskinned version of it, I guess even they considered it to be too unbelievable if they claimed that video calls couldn't be done in it.