promotion of homosexuality as a safe, healthy and normal lifestyle

First of all, for many people, it is. Furthermore, your revulsion about the lifestyle is not of standing regarding the civil rights issue.

It has nothing to do with promoting an issue and everything to do with setting a standard of equitable regard for human beings under the law.

I think your revulsion is exagerrated and under-informed, but its irrelevant in any case to the legal issue.

A