There was (and still is, to some extent at least) the NAMBLA pedophilia-advocacy organization in the USA as well.
Fortunately, the new "woke" current in left thought at least has gotten rid of any shred of acceptance for these kinds of "ideals", without the right's regression to homophobia and transphobia. It turns out consent is a really powerful idea in distinguishing between useful sexual liberation and predatory desires that harm others.