This is how total control of a platform always starts. Google starts with Android and just does digital signing for applications through their store. Until they achieve control of the platform, then suddenly you can't load your own applications without them signing it either.

Secure Boot is just a technology for those that need it, until Microsoft decides it's mandatory for everyone.

It's not really tinfoil hatting, EU countries already deny privileges based on political affiliation and so on. Germany shut down a Muslim cultural center for refusing to censor a speech by someone who came from Gaza, merely because of the fact they came from Gaza. Limiting government power is still something the EU needs - they're not all good.