Female babies were breastfed for most of human history. They mostly turned out straight.
Sexual orientation is hardwired. Gay people might be a little more visible nowadays because they're not scared into remaining in the closet, or threatened with legal punishment for loving the person they choose (as was the case well into this century). But they've always existed, despite society's best efforts to eliminate them.
English
-
‘Twas satire. Did not have the tag originally
-
Hmmm... thought it seemed kind of ridiculous.