It wouldn't be a problem if Microsoft only used that protocol handler for an "Open in Edge" button. The problem is they use it pretty much everywhere. Search th

It wouldn't be a problem if Microsoft only used that protocol handler for an "Open in Edge" button. The problem is they use it pretty much everywhere. Search the web from the start menu? That's a Microsoft Edge link. Click a link in the settings app? It's a Microsoft Edge link. They're effectively just using the handler as a way to bypass the user's choice of default browser, which is why Firefox had to implement this work-around in the first place.