They jumped the shark.
It finally happened when Maureen Ponderosa literally became a cat person.
But you know what? I don't care. It's season 11, I don't watch Always Sunny for realism, I watch it for absurdity. And nothing on the show makes me laugh harder than Dennis in an absolutely incredulous stupid situation. Am I ashamed for almost crying when he brought out the laser pointer? Sure I am. But shame be damned.