Naturally it increased after it switched to Chromium and became the Windows default.
Choose your own source:
Apple M1 silicon will mostly or entirely run MacOS, not Windows.
You never know - would you say that 20 years ago that very significant push for Linux will be done by Microsoft?
This source (2020) also claims that global Firefox use is about 4% while Edge is under 3%, contradicting the claim (even including non-MacOS devices): https://gs.statcounter.com/
Another 2020 source gives 5.5% to Firefox and 0.5% to Edge on MacOS, also contradicting the claim: https://netmarketshare.com/?options=%7B%22filter%22%3A%7B%22...