i think 5 to 15 years max.

yes it is

yeah

very, since most online services and government agencies depend on you having an email address to contact/let you use their service.

you can yes but it is hard

it is sad that piracy sites get shut down often over the last few years

but lemmy is a very small project compared to reddit,which has r/piracy active with no problems, and the piracy communities here don't share links for example, so it just seems like paranoia from the admins of lemmy.world.