I also just started being more active on Steemit.
I think another value of commenting on others posts is the fact that you are engaging with the author. This often leads to new friends and new followers which is key for being successful. It is not always about the payouts in the beginning. Steemit is a community and connecting with others is key.
Darryl
Of course if connecting is the key of the network but already over understood hehe just as well very good job with the comment to that I mean, well done !! (: