It's true that all sin is an abomination and that we can sometimes make the mistake of just focusing on some and ignore the others.
However, the bible is very clear re this sin that society has grown to accept.
No one practicing homosexuality will inherit the kingdome of God.
So if you have associations like this what is your responsiblilty?
 
Remember, it says that we are to come out from among them, have no part in the unclean thing.
It is just one area that many Christians have compromised in.