Let's do a hypothetically Jedi (qgj, Yoda, anakin, Aayla, and Kenobi) vs sith team (maul, Vader, palp, Dooku, and savage)
Due to speed boost Yoda goes first giving everyone tenacity up, palp, Vader, and Dooku debuffs are now useless and Vader's use as a whole reduces down to trying to land the unreststable 80% chance abilty block, dooku (assuming all mods are even distributed) goes first to do nothing since they all have foresight and tenacity up, next savage who would be forced to attack the one without foresight or waste a turn, then palp goes and best casenario hits the one/two without foresight then his unqiue kicks in damaging them which means they would have to dodge using foresight removing it. Then Vader and like before can only hope to land the 80% ability block. And finally maul could do his AoE however this is just for their side not taking into account that with the leader the slowest on their team is Aayla with 155 (assuming no mods) which is faster than all sith excluding Dooku and she can stun since if the person modding her is smart they'll give her crit chance to help and possibly calling an ally to assist, qui gon will assist and can dispell any positive effect they may give them selves (which would only be savage when he's hit), Yoda can steal those buffs, stun, and give himself more foresight, anakin can and will AoE and with the extra offense it'll hurt in addition to whenever you do get one of his allies below 50% health he'll do double damage on top of his 441 offense (again not considering mods) from the leader, and kenobi would reverse any debuffs you could inflict, grant even more foresight, call assists, and taunt if/when you land a hit.
So in summary, sith have no chance of winning against a competent qgj zeta Jedi team
Edit: forgot on kenobi's dispell if they have no debuffs (which is likely) they gain retribution slapping you back whenever you hit them