I promise there are people who can't figure out how to do it.
And again, the point of the lock on the door where you keep the porn is not to be robustly impenetrable to entry by a motivated 16 year old with a sledgehammer, it's only to make it obvious that they're not intended to go in there.
Depends on how much people want the hidden content. People in Eastern Europe, regular people, noch tech wiz kids, know how to use torrent and know about seed ratios etc. At least it was so ca 5 years ago. People can learn when the thing matters to them.
Regular people want to get things done, the tinkering is not a goal for them in itself and they gravitate to simple and convenient ways of achieving things, and don't care about abstract principles like open source or tech advantages or what they see as tinfoil hat stuff. But if they want to see their favorite TV series or movie, they will jump through hoops. Similarly for this case.
It's just a bunch of clicks, even under linux.
Just install virtualbox. It literally walks you through a VM creation.