They also may have run the numbers and decided that social media teaches more kids to accept people regardless of race, gender, sexuality or neurotypicality than it trains to be far-right xenophobic dogshit.
I can't really think of any other reason they'd do this. They don't do anything unless it's in their self interest.
They just said that so all those murdered children wouldn't make their hobby slightly less convenient. You didn't actually believe them did you?