For me it's not so much lack of giving back to the community, at one point I would openly give critique and even ran a small critique blog before my time, and quality of life were drained away. I also used to be really active in the webcomic community, posting in several forums, advertising other people's comics and such.
The problem with my stuff not getting a whole lot of feedback is the nature if it. My comic is meant for a 17 and older audience, currently containing implications of suicide, full frontal nudity, profanity, and substance abuse. There's also the factor that it's a slice of life melodrama, which people have told me they're not interested in reading. I even have people turning me down when I ask to post a link to their comic on my comic blog because of what I create.
Also I'm not really a good person, and tend to make more enemies than friends with my lack of a vocal filter. A lot of people don't really like me. Not saying that for attention, that's what I've actually been told.
So for me it's not so much being a spoiled asshole, demanding free service without giving anything in return, it's just my comic and me. Which I can't really get too butthurt because I am an awkward, scrooge of a person, deliberately making an uncomfortable, angst-trash comic. That's like getting mad at the wall for hurting your foot after you decided to kick it. Lmao!
Thank you for the suggestion and offer, unfortunately I'll have to turn down a trade. I got to get as much irl stuff done as possible, as well as getting as much pages done as possible, before work takes away what little time and energy I have. I shouldn't even be typing this right now, but I'm procrastinating.