But, to explain the categorical meaning of the term, you have to lean on the sexual meaning. That is a pretty big difference. And unnecessarily scopes the audience to people that wouldn't be offended by this. Especially when ⊥ exists. Why is that not available as an emoji?

Granted, I don't think everyone needs to be prudish, such that this is a bit of a tempest in a teapot. But it is very different than claiming that explicitly sexual reframing of other items is the same thing.