I'm sure they've never heard that before.
Check out the AP reporting:
"For many of you, they're you're[sic] moms and dads, right?" Obama said.
I might not resent the "elite" superior tastemakers who went to fancy-schmancy J-schools telling me what to think and who to worship nearly as much if they could write English as well as I could when I was 8. (Not faulting Mrs. O for this--transcribing her remarkers is ALL on the "reporter" and "editors".)