Not actually a fear despite its name.
It's really just people being a-holes who can't stand people who are different than them.
Something that only occurs in one species, while
the thing homophobes are 'afraid' of is common in 4,000 species.
Bob: I went and asked Jacob out.
Sara: Really!? What did he say?
Bob: ...He said-
fuck off... you
fucking f*g.
Sara:
Goddamn homophobia! -I'm sorry Bob.