In 20th century Japan, LGBTQ people were treated with derogatory terms like "gay," "transvestite," and "lesbian," and were indeed considered "sexually vulnerable." However, today, transvestites and cross-dressing celebrities are active in many media outlets, and LGBTQ people are accepted by the majority.
It's not just these familiar social trends.
Medically, the global consensus is that homosexuality is not an abnormal or perverted sexual orientation.