Whether they should be accepted as church members. Whether they should be considered for ordination as clergy. Conservatives tend to value historical laws criminalizing homosexual behavior, and exclusionary rules against membership and ordination within the church. To extend equal rights to gays and lesbians would lower these traditional standards, which have served us well. It would tolerate a serious sin among us.
Liberals tend to look upon homophobia as the sin.
Homosexuality is simply one of three normal sexual orientations. The following table indicates the considerable gulf between the two positions. Civil rights protection should not be granted to behaviors. They should be restricted to unalterable factors, like gender and race. We already protect religion which is a changeable behavior.