The "I find it fucking disgusting, bro!" fraction probably isn't here. Or if they are, they are probably smart enough not to walk into this wood chipper.

There is a strong correlation between shame people feel for having tried it before or for not being able to admit to themselves that they feel this way and then how loud they get. Pair that with religiosity or just a very conservative environment and upbringing and you get the aforementioned bros. It's more about how they feel, how insecure they are, than about anything physically off-putting. And as somebody who once reacted poorly to being hit on by a lovely Aussie, I think it's also the somewhat unexpected element of it. We are pattern recognisers. Heterosexual is the majority. We can easily get freaked out by something that's different. And a lot of the LGBTQ+ folks are still not living their romance in public (if there is some and they also want to) because they avoid wood chippers society has an unfortunately abundant supply of for them.