Historically the autism and lgbt community have strong ties, autistic people where some of the first to question traditional gender norms and be allies.
By now, research has also found that neurodivergent people are statistically much more likely to identify as lgbt (wiki source)
Last there is the very simple reason of having the shared experience of being minorities, we are more often excluded, get bullied, feel misunderstood, struggle with anxiety/depression because of these. So a neurotypical queer person and cis neurodivergent may find more comfort with each-other as friends then being with a cis neurotypical group.
Its a fair question.
There are a few possible perspectives on this:
Historically the autism and lgbt community have strong ties, autistic people where some of the first to question traditional gender norms and be allies.
By now, research has also found that neurodivergent people are statistically much more likely to identify as lgbt (wiki source)
Last there is the very simple reason of having the shared experience of being minorities, we are more often excluded, get bullied, feel misunderstood, struggle with anxiety/depression because of these. So a neurotypical queer person and cis neurodivergent may find more comfort with each-other as friends then being with a cis neurotypical group.