I switched from chrome several months ago, for firefox, I just got tired of the way google was doing business. I'm curious, why you need chrome for teams, I us

I switched from chrome several months ago, for firefox, I just got tired of the way google was doing business. I'm curious, why you need chrome for teams, I use it on the web in firefox daily, I know teams desktop is an electron app but I believe itself contained and doesn't require a separate copy of chrome to be installed, no?