I completely agree. I think there is a bit of unjustified fear here given that Edge's ridiculously small installed base had absolutely no affect on the browser mono-culture anyway. Most developers did not go out of their way to test in Edge.

This is really no different than the Linux Kernel. People will take KHTML, Webkit, Blink, V8, JavaScriptCore and remix those into dozens of different products all with better web compatibility than something home grown from Microsoft with no chance of adoption.