Please Explain the Punchline When Shitting On Short Men

"The scariest thing about David Miscavige I learned from Going Clear is that he's significantly shorter than Tom Cruise. Something about him being like 5' 2" is really unsettling to me. apparently I've angered the SJWs on r/short with my heightism. Learn to take jokes, people"

This had even more upvotes when I first saw it. People think they can say whatever they want about short men, then absolve themselves by claiming they were kidding.

I've seen comments elsewhere like "if he didn't have his money and hot girlfriend, this midget would've killed himself. lol just jokes bro." What was the punchline?