That is because you don't believe the actual texts that we get our philosophy from. You do the exact same thing that you probably accuse all Christians of and what Steven Anderson does: you both "pick and choose."
One simply does not say, "The Old Testament and New Testament condemns homosexuals therefore I can hate them," and actually be a Christian.
19 Now the works of the flesh are evident, which are: adultery, fornication, uncleanness, lewdness,
20 idolatry, sorcery, HATRED, contentions, jealousies, outbursts of wrath, selfish ambitions, dissensions, heresies,
21 envy, murders, drunkenness, revelries, and the like; of which I tell you beforehand, just as I also told you in time past, that those who practice such things WILL NOT INHERIT THE KINGDOM OF GOD.