The consoles unless you root or jailbreak them are too restrictive anyway. For older games you can just use an emulator on your PC or mobile.

You can try and later post peertube/youtube link. Nobody can really guarantee that it will be interesting for them until they see it.

It is good to use linux. But this has an impact on everyone to some degree. You may use Linux, but does your family, friends, your doctor, your teacher or boss, and whoever else who has some of your personal data?

Not complying with DMCA takedowns in EU would hurt American tech related companies way more than all of these fines combined.

Google itself as of this moment never did put adds on a lock screen, it is the manufacturer or third party apps who can do it. Some Realme and Xiaomi phones do it afaik and probably some other brands.