Lawyers costs money in my country, maybe in Irland they are free but I highly doubt it.
If calling autistic people "whiny", "petty", "obsessed" etc. is not hate speech, than also insulting any minority in the same way wouldnt.
I wouldn't know, Belfast is located in UK. Even so, I don't have a habit of pursuing punishment for people who call me names on the internet. Still, you can find free legal advice at least to get an idea if you have any basis for anything. I am sorry that I can't be bothered to do the research for you.
Correction: he called
you "whiny". "petty", "obsessed" etc., no? And considering that very thread you started.... how did you put it yourself?
well, I want to stay polite too, so I let everyone's imagination complete my sentence about your nonsense reasoning.
Attacking individuals shouldn't be tolerated in general, and he used some additional names which were in a really poor taste to use. He was stopped. Perhaps not as efficiently as you wished, but he was stopped.