that is correct a symbol God gave to both man and beast that He would not destroy the world again by water
I do not have a problem with the gay pride flag because it's a fair portrayal of the corruption of God's order, it provides an excellent teaching opportunity.
Satan tries to corrupts all that God wants for mankind to flourish, even what man considers as love. No one escapes the consequences of the fall and some are just enamoured in their rebellion and in their love of sin. Love is love?
1Corinthians 6 9 Do you not know that the wicked will not inherit the kingdom of God? Do not be deceived: Neither the sexually immoral, nor idolaters, nor adulterers, nor men who submit to or perform homosexual acts, 10 nor thieves, nor the greedy, nor drunkards, nor verbal abusers, nor swindlers, will inherit the kingdom of God. 11 And that is what some of you were. But you were washed, you were sanctified, you were justified, in the name of the Lord Jesus Christ and by the Spirit of our God.
Many now will never look at the symbolism of the gay pride flag again in the same way, understanding the true prismatics of God's laws and the subtle mimicry of the satanic corruption.