I totally agree with you.
Also if I see somone commenting regular on my posts, I always try to return the favor with at least an upvote and keep an eye on their posts as you said yourself.
I think you will enjoy this post https://steemit.com/commenting/@kus-knee/the-old-dog-asks-can-you-succeed-on-steemit-simply-by-commenting-meet-eric-boucher
Yeah it's weird how it has an effect on how much time we give other followers.
Thank for the link, looks like a good post. I will read later after work :)