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.