I've had the same experience before. For some reason people think the signs and the announcements don't apply to them and it just boggles my mind how much self awareness they lack! There's been a guy I've seen on the quiet car twice last week who for some reason had his iPhone at full volume and texted for the entire hour I was on the train. The problem wasn't the texting but that the iPhones clickers clackety keyboard sounds were on. Is that really necessary? And on the quiet car no less? A woman did the same thing a few weeks back. Of course no one said a word but we were all very annoyed. And then you get the oblivious guy who doesn't read signs or listen to the 3 announcements who talks on his cell the whole ride. And don't get me started on the teenagers who seem to be visiting the city for the first time and for some reason need to scream at each other despite being centimeters from each others face in a car full of completely silent people. The signs are obvious. The announcement are loud, clear, and numerous. So what the fuck, man?!
That's life now. It seems we have a whole generation of people who are just completely lacking self-awareness and have a serious problem with entitlement. But it's not young people this is specific to. I'm only 26 and I'm good on the quiet car (though I have had my moments I'll admit). There are people of all ages,miracles, and genders who behave this way and though I think humans are like this by nature anyway I also think the Internet and cell phones have made it worse. It seems like a learned behavior.
I just blamed Internet and cell phones for a portion of the world's ills. I'm going to go think about how old that makes me sound now...