Forcing side-loading through hoop jumping is primarily being used to push people towards the easy-mode method of using Google Play. How much longer before your government ID is required to download apps from the Play Store, too?
Microsoft was forced to bundle a browser installer in the EU for something that was definitively less onerous than the new barriers proposed.
Google shouldn't have the right to decide how I install software on my computer, and the idea that we can just install a different OS wasn't a convincing enough argument for the EU, so why is it that you're happy to be told how you can use your property?