Think if you were born as a Donkey or if you were born as a human.
Food,Fear,sleep.sex is very common for all being in the world.So what is the difference in human ? In human beings, they are mindful and knowing consequence about what they are doing.
The pleasurable attachment is attached with being because they do not do anything without any desire or happiness. If there is no pleasure in making sex the generation will n o longer such increase and lasting.
Biologically sex is there for reproduction of generation by nature.Reproduction is the core chemistry behind sex. So sex is not a thing to so marketing. Need not street talks or debates either to market LGBT or against it.
Is fundamental behind the sex is aware by all, no need to worry about LGBT or hetero sex.You should know the consequences. If you and your partner unable to support to bring new being to the world you and your partner is a failure. Such failed creatures also part of the world of living beings. We must patient and sympathetic about them.
So LGBT shall not be a prominent thing in a society.No needs to look at others bed rooms. And no needs to public propaganda to support or against the LGBT.