discriminates against gay and lesbian people

I was enticed to join the site and was asked if I was a woman looking for a man, a man looking for a woman or a woman looking for a woman or a man looking for a man. I tried to do a search and they will not let you search until you join. After taking much time to write an essay and joining, I found out that there is no feature for finding gay or lesbian people. I wrote to the site and told them this and they said their site is only for heterosexual people! I was welcomed to search for women if I wanted. They do not prevent you from doing this, but of course all of the women are looking for men!
I was being sent all of my potential male matches to rub it in even more. I deleted my account and told them I was going to make this discrimination known!