First and foremost, what is the reason why 3v3 arenas are made now?
Earn points to qualify to gvg. Winning 3v3 sand gives 5 points to the guild ranking, 2 points to the loser (I think it's like that, if I'm wrong to warn me), therefore everyone logs their alts just to get those points and rank alt guilds with the only purpose of winning GvG prize bags. Therefore they should eliminate giving points to the losing group.
The arena 3v3 24/7, I do not think a good solution to the PvP, should be as before, the only modification would do is give 1 hour more, thus avoiding players abusing alts in low activity schedules.
Sorry for the bad translation, English is not my native language.