Why Tyler Perry is Successful
Today, the whole point of multi-multi-millionaire celebrities is to establish a cult that will worship them, and then be dutiful followers who will buy anything and everything they put out, no matter how mediocre or even bad it is.
It isn't that his movies are bad. They are just at the level of a single episode of a full season's sitcom season. But, his followers will slavishly go to them regardless. Every time.