I would be interested if it's done right. I'm kinda' with the 'troll'. Not everyone inside an asylum is a crazy psycho killer. You can be put in an asylum for being a danger to yourself as well as anyone else.

A suicidal person could be locked up.

An anorexic could be locked up.

Hell, you could accuse your perfectly normal neighbor of 'being a danger to society', and if the courts agree with you, HE could be locked up.