When I was growing up I genuinely felt like the only "closeted" ex-Mormon in my community. It was very alienating. I tried reaching out quietly to a few friends and family about it at the time, but they all freaked and started lecturing me about apostates. I think it's becoming easier and easier to leave the church via knowledge and communities on the internet, though. Membership growth is falling, which I think is telling given the huge families they typically have.

As for non-chuds, there are some Mormons whose hearts are in the right place. There's a small movement of Mormons in Utah who attend Pride and advocate for LGBTQ+ acceptance. They're usually quashed by the church pretty quickly though, sometimes they're excommunicated for their efforts.