Sudo had many vulnerabilities in past some of them unpached for years and it is bloated with unnecessary functionality that increases the attack surface. Doas is more secure and minimalist for example. Not an expert to say if Ubuntu approach is correct but I appreciate their effort.

It already blocks me from reading access for some time because of VPN. I have to use libreddit on the web or redreader on mobile to access. This made me lurk reddit less, never had an account there anyway.

It depends on the instance. I created an account on mastodon with guerillamail which would be even more suspicious for an average website than your alias email. A tip, if you do not mind using icloud email, you can even create one with some effort without giving real personal data and using apple hardware (Virtual machines ftw), you can take advantage of its free alias email addresses which would be accepted even on most strict websites.

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.

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.