Can any scientists confirm this important fact?

https://piefed.blahaj.zone/post/192897

All I’ll say is cats meow at humans and they don’t meow at other cats except their own mom. To me this instantly defeats this take.

It’s just a fun post though so I’m not judging.

Cats have great singing voices especially when humans are asleep. Do cats sing for humans? Maybe they sing because they love opera?