I don't have a problem with people being taught about LGBT history as a elective or as part of larger discussion about a historical period. To use the Nazi example, you could weave it in with discussion about the Holocaust or the like.
https://www.inquirer.com/education/nj-lgbtq-education-curriculum-lesson-plans-mandate-20200120.html
It's totally not a phase and I'm totally not just doing it for attention, mom, this is who I am.