Rehab is a tried and true step in showing the world you've changed, or at the very least, you tried to change. A person has to be truly heartless to completely lack empathy for someone who's actively working to battle their demons and become a productive member of society.
Celebrities are always going to rehab for all sorts of reasons, one of the most popular catch-alls being "exhaustion." So who's to say that all this creepy clown nonsense isn't taking it's toll on all the good, decent clowns out there? A month or two away would not only leave any clown perfectly rested, and not only would it garner the clown community tons of sympathy points, but it gives them plenty of time to disappear from the limelight so some other fool with a questionable hairstyle can dominate the news for a few weeks, thus shifting the focus off clowns.
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