If you have done extensive research on a topic, or have years of experience on a topic, and you focus for even 5 minutes on a quality answer, that will already

If you have done extensive research on a topic, or have years of experience on a topic, and you focus for even 5 minutes on a quality answer, that will already generate a long answer. On a website with as many users as Reddit, there’s bound to be a user with those qualifications to make a comment on a topic that relates to their interest. That topic will likely get upvoted to the top (generally speaking).