I'm gong to have to put you on ignore soon. As you warn people, I'll warn you. Up your game sonny, you are a boring lightweight.
They gave those directions in Sweden, a place most though hey if anyone can do this they can. And then weeks into it they found care home workers walking around with no protection picking their noses. You just need one don't give a shit employee or a manager who does nothing to let it in. Bad staff need to be trained and means to remove them that circumvent the normal civil process legislated for. And a million other things.
You can't work the problem, you don't have any model for how it would be done beyond everyone is magically responsible and clever. Real word, you got nothing.