The karma system is definitely the difference that mostly influences the quality of the discussion and visibility of non mainstream topics.
Another thing I personally hate is daily threads. Anything not deemed worth a normal thread as per each subreddit gatekeeping rules is directed to these huge threads where the attention span is even lower, if you're not lucky to intercept the right set of eyes in a few minutes your post will be quickly forgotten.
Another thing I personally hate is daily threads. Anything not deemed worth a normal thread as per each subreddit gatekeeping rules is directed to these huge threads where the attention span is even lower, if you're not lucky to intercept the right set of eyes in a few minutes your post will be quickly forgotten.