I'd say disable Teams entirely in "SOLO Queue"... if you want teams, then team up and go for a team pvp warzone. Meeting premade teams in normal warzones just takes the fun out of it.
Still I can't see the fun for teams going to the normal warzone knowing there aint a chance in hell they loose, maybe it's just because they know they get their *** kicked against other teams that they do it this way.
/Z