[grawprog]

Like i said, less popular topics and hobbies tend to have higher quality discussions. Gardening, welding and motorcycles are pretty popular topics.

I tried looking around for a decent motorcycle sub, you're right that one lacks some alternatives. For gardening, maybe try more specific subs like for your local area or a specific kind of gardening, flowers or vegetables or whatever, just something more specific and niche than just gardening.

For welding again, similar idea, look for more specific less general welding related topics that may have subs devoted to them.

It may not work for all topics but generally i've found, the more specific and niche you get, the. better chance you'll find something decent.

It's still just a chance, you may or may not be able to find what you're looking for, but this is generally what i've found.