Airbnb rental turns into an airhead party-central horror

The sharing society keeps getting burned when owners rent their homes to people they haven’t even  met, much less checked out. The linked CBC story tells of nightly blowouts with garbage and noise on a previoisly quiet Mississauga street. It’s an Airbnb special but why be surprised?  Before the sharing society (that was about ten minutes ago) landlords checked tenants carefully. Such a lot work. Here