According to the world population clock, the world's population is currently (6/16/17) 7.5 billion and growing. Even 1% of that is STILL several million people. Just 1%. So technically, the entire population of LGBT in the world is more than enough to populate a country. There's no reason to claim we shouldn't have LGBT representation because they're "not that much" of the population to warrant it. They certainly are.
What it boils down to is basically what type of dressing change are you performing. Commen sense tells you to use sterile technique if the pt. has a open wound so big that you have to pack a foot of kerlix in it. There are many types of dressing changes, not all are sterile