[Aquinasfan]

The passage means that a bishop cannot have more than one wife. It doesn't mean that a bishop must be married.

Whether or not priests marry has always been a matter of Church discipline, not dogma. And there are married priests in the Latin rite today, mostly converts from Anglicanism. In the eastern Catholic church priests are allowed to marry or, if they enter the priesthood single, they must remain single. Latin rite bishops are single, in imitation of the Apostles. I think the same holds true for bishops in the eastern rites.

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If Jesus tells us to take our disagreements to the church, he must be talking about a visible, discernable church. Otherwise He'd be speaking nonsense. A gathering of two or more people in Jesus' name does not constitute the church. Even the passage doesn't imply that.

[OLD REGGIE]

. Latin rite bishops are single, in imitation of the Apostles.

Is that a fact?

1 Corinthians 9:

1 Am I not free? Am I not an apostle? Have I not seen Jesus our Lord? Are not you my workmanship in the Lord?
2 If to others I am not an apostle, at least I am to you; for you are the seal of my apostleship in the Lord.
3 This is my defense to those who would examine me.
4 Do we not have the right to our food and drink?
5 Do we not have the right to be accompanied by a wife, as the other apostles and the brothers of the Lord and Cephas?

No, Latin Rite Bishops don't imitate the Apostles, Peter, or Jesus's brothers. There must be some other reason.