It is also true that without holiness no one will see God. These are crucial notions. Our sin will only lead to social and eternal disaster. There is a right belief and a wrong belief, even if the wrong belief pretends to be Christian. The Bible condemns false forms of the Christian faith, but opposes even more vigorously non-Christian religions, both in the Old and New Testaments.
Heterosexuality is a forceful reminder of the theistic character of creation.
The Bible has no place for alternate genders. This family is the essential building block of a mature civilization. Whenever it is abandoned, social collapse quickly follows. The love of a father who protects his wife and children, reflects God's love for his children. The love of a man for his wife reflects the love of Christ for his church.