The rules are typically set up this way so that majority rule cannot dominate - only supermajority rules. Which is fine. When Republicans were in the minority, it kept some really nasty Democrat hanky panky from happening.
Yet, to my knowledge, I’ve never seen a Republican caucus go AWOL to prevent a vote from happening. Only Democrats apparently do that.
For budget matters, Wisconsin law requires 3/5 of the total to be present.