Google's version of WebRTC was out of spec: https://blog.mozilla.org/webrtc/firefox-is-now-supported-by-google-hangouts-and-meet/
Google/YouTube preventing Edge Preview(based on Chromium) users from using the "new" YouTube look: https://www.thurrott.com/google/207371/google-now-forces-microsoft-edge-preview-users-to-use-chrome-for-the-modern-youtube-experience
This one's a little old but is just an example: https://www.ghacks.net/2017/04/18/google-makes-the-new-google-earth-chrome-exclusive/
This is not to mention that whenever someone tries to get support from Google on a Google product, if they're ever using a non-Chromium/Chrome web browser, their first suggestion is to use Chrome
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