Many subreddits have a lot of useful resources on their wikis that you can use without really interacting with reddit (you could use the web archive version if you really don't want to give reddit traffic).
There's also this website which (among other things) scrapes subreddits for (positive) mentions of products. I don't really like how they integrated AI in it so agressively, but if you can gloss over that, you might find some useful information in it.