In all my years of being super active in the MGS community and a firm supporter of MGS1 as the best game in the franchise, I never knew this was a thing.
Hideo Kojima is a true genius, visionary and...uh, a critic of the poor getting ahold of video games apparently.
I think it's Mei Ling just repeating the words "Mono TV..." in a thoroughly astounded voice that does it. She never fathomed such depths of poverty existed where people still used these kinds of ancient relics that she's only read of in obscure history books.
Then again, Colonel's "don't worry, you're still cool to me" was equally hilarious in just how insulting it was.