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1. I asked you what you meant by "WELCOME" and "acceptance" not accomodating!
2. You didn't answer the second question.
"Shelter the sinner if it brings you no harm. Through this you will encourage him toward repentance and reform — and attract the Lord’s mercy to yourself.""Do not annoy or hate anyone – neither for faith, nor for his evil deeds… If you want to convert someone to truth, then grieve over him, with tears and love say a word or two to him, but do not burst out in anger, and may he not see any sign of hatred on your part, because love is not able to hate, or become irritated, or reproach anyone with passion…"
The tendency or state of attraction is what can't be chosen. For example did you chose to be a heterosexual? Most probably not. Like wise people who are homosexual or bisexual don't chose who they want to be attracted to. In addition it is actually inconclusive what the cause of homosexuality is. I think you're confusing "excuses" for a lack of understanding.
(it isn't limited to the righteous like yourself you know)
No matter how many times they go to abouna he is patient with them and gives them the same answer. He doesn't get fed up with them and say, "there is no hope in you gay man, leave the church and never come back you unrepentant sinner".