The Bible's view of LGBTQ is simple. But, wow! What an intense and destructive emotional response it can generate.
Simply, the Bible says don't participate in it or its celebration, exactly the same warning it gives for heterosexual sex outside of marriage, for drunkenness, for greed, for slander, and for abuse.
But how should a Christian respond to others? Well, that's not so simple day-to-day. We should respond exactly the same way we respond to all sin and sinners: with patience, love, instruction, and grace. St. Peter wrote, “Always be ready to give an answer, . . . but do this in a gentle and respectful way” (1 Peter 3:15-16).
This article by Pastor Paul Fries is on the ELS website: No PRIDE at the Foot of the Cross. Unfortunately, Facebook considers this criticism of sin and presentation of grace to be “hate speech“ and won't allow the post on their website.