It's possible, they just have to be an out of shape loser who spends their entire 12 hour day or more playing a game just to reach a high enough level so when you reach it.... Nothing. Nothing at all happens. Glad to know there are still people like TC who destroy games.
U can hit the daily cap in 3-4 hrs... With x2 exp and spartan ops match making... 8-12k xp in 7-10 mins... Cap is ~120k