This essentially killed my (EU-based) startup in the project management and collaborate space. Before MSFT bundled Teams with O365 we were rapidly growing and closing enterprise customers in the automotive, energy and education industries with high retention rates. Right around the time the Teams bundling started our retention dropped, churn went through the roof, growth slowed down, we failed to raise our next round…
Furthermore, I have always needed a Microsoft account to join a Teams meeting, as they want to make sure you get sucked into their ecosystem.
Aside from that, resource consumption on Chromium is totally crazy. Zoom or Hangouts are fine, but Teams makes my old NUC overheat during simple audiocalls.