OK, so if you believe that homosexuality is not the worst of sins, but you would force them to undergo therapy... then shouldn't other people, including you, should undergo mandatory therapy to deal with other such serious sins?
9 Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind,
10 Nor thieves, nor covetous, nor drunkards, nor revilers, nor extortioners, shall inherit the kingdom of God.
- 1 Corinthians 6