The bible also says that other things are a sin as well, like working on the sabbath.
For six days work may be done, but the seventh day shall be your holy day, a Sabbath of complete rest to the LORD. Whoever does any work on that day must be put to death.
www.biblehub.com
But yet no one follows those passages, but they follow the passage against homosexuality.
Like there are passages that state that you can't have love of money and worship the lord, but i wonder how many of you are really rich and have a lot of money.
If you have a lot of money, you're sinning against God as well.
“No one can serve two masters, for either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve God and money.
www.biblegateway.com