I was about to say that onion only IRC channels aren't for high quality discussion. They're for discussion by people who are paranoid for one reason or another. People selling drugs/credit card numbers/weapons. People with extreme political ideology who are talking about violent revolution. People who mentally unstable with paranoia.

A better site for someone wanting high level discussion on a narrowly focused topic is Reddit, although you will have to choose your subreddits carefully. It can be a difficult needle to thread, but there are quite a large number of quality subreddits once you know how to search.

>People selling drugs/credit card numbers/weapons

I don’t think this really happens on Tor IRCs, at least not at any significant scale.

>People who mentally unstable with paranoia.

It’s mostly this, and pedophiles

Can you provide any examples of high quality subreddits?

It depends on your interests, but for HN readers /r/networking is a pretty good place for enterprise networking discussion. /r/rust has some helpful people in it if you're working with the Rust programming language. /r/science has extremely strict moderation that makes it a good read-only subreddit unless you are an actual scientist who can back up their post.

Generally you want a subreddit with a small but active userbase. Not too small or it tends to die off, but also not too big or the S/N ratio drops off.

I don't have any of those intentions but I have to think twice before posting and make sure it's politically correct. I assume this other people might feel the same.