I'm really not concerned over the issue of whether homosexuality is a choice---And I've never in my life encountered anyone encouraging anyone else to be "gay," though I've had lots of gay friends.  Far from it:  For many years, the members of the LGBT community I knew were subjected to almost universal opprobrium by the society they grew up in.  

The sexual orientation of the people I encounter and deal with on a daily basis doesn't especially concern me, beyond what they want to project:  What happens in their bedrooms is their own business and not mine:  To me they are human beings first and foremost.

Even if you believe homosexuality is evil, that's for your God to decide and act on, as stated many times in the Bible (Judgement is the Lord's...), not you.