In theory it doesn't matter, you could say that each manager can choose whichever list(s) he prefers (if any), but imo, putting focus on one, main list (by clearly denoting it as 'main' and possibly moving other, supportive lists to 2nd post) will have much stronger effect, especially if you intend to take more managers on-board.
Yes that's the fact dude in theory the people will consider the points like or dislike to something in making decisions and it was inevitable.
I guess we need voted from other moderator for ban the account from signature campaign at least it will be fair so no one will think if after this ball rolling there will be no manipulation.