Judaism may be said to have invented the notion of homosexuality, for in the ancient world sexuality was not divided between heterosexuality and homosexuality. That division was the Bible's doing. Before the Bible, the world divided sexuality between penetrator (active partner) and penetrated (passive partner).
If people are born gay, it does not excuse behavior. With my metabolism, I gain weight easily. I was born with the need to eat every day. I also have a desire to eat the wrong foods in mass quantities and blow up like a blimp. I make a choice every day as to what I put in my stomach. I can give in to my desires or I can exercise self control and do what is best for my body. I have that choice. So does anyone born/choosing to be gay. The argument is not if they were born gay or not. The argument is why is it acceptable to deny one’s selfish desires in some areas of their life but taboo to tell a gay person they should practice self denial?
We tell fat people to lose weight, bald people to wear wigs, pedophiles and rapists to keep it in their pants, kids to abstain from sex, women to wear makeup....and gay people to not act on their desires.
You may never “cure” a gay person just like you wont cure my desire to over eat....it’s a battle against self that you wage every day. You can live life making excuses for bad behavior or you can choose a healthy and normal path.