A big one is when an advert is made to look and feel like organic content. The “Ad” flag (legally required) is in faint small font like someone forced them to have it there.

And even if you ‘exit’ to the woods, you’ll be easy to note, just by your absence (When the majority of the population are present, it is easier to note who is absent).

But we have to keep pushing back about these absurdities.

Then it should be the responsibility of the EU people to avoid joining the fediverse. I do not see a practical way to align with GDPR. The effort is non-trivial and the rewards are extremely minimal.

From your perspective, what should be the way out?