The way that everyone seems to be hostile. When it first started, a lot of people were cool with each other. Nowadays, you can't drive past someone without being shot at. The other day, I found a group of people who were just chilling and having some casual fist fights and this is the first time in ages that I've come into contact with people like this.
I finished a job with some guys, went back to free roam, and the first thing they do is shoot and kill me.
You nailed it. I have been swapping between my two characters lately so I can sell two cars per hour instead of 1, and so I get dumped into a new free-roam sh*thole every time. I made the mistake of getting a Weasel Plaza apartment for my alt character, and half the time he gets killed even before he gets out of the driveway.
So what annoys you most about GTA:O right now?
Assholes and tanks and assholes in tanks.
EDIT: And another thing - Every once in a rare while, instead of farming and grinding my ass for a pittance, I "play the game the way its supposed to be played," actually having fun in free-roam doing a running gun battle or a survival or trying to take out a tank that has killed me. Nearly everytime the action gets hot and heavy and really fun with a lot going on, the PS3 freezes. I don't know if that is the game, or a dying console, but it's like a coffin nail which acts like a wild crazy fun detector and slams down to prevent that kind of thing (fun) from happening.