It would be nice to have some helpful comments, but that's not the way people seem to learn on this site. From what I've observed here in my experience, it's from examples of things they see in the galleries and they try to emulate or from practice in trying something until they get it right eventually. Trial and error seems to be the preferred method of learning here from the evidence and comments are only the opinions of the person viewing it. It's difficult to judge the worth of the "Nicely done!" and "Awesome Image" comments because how do you put those to practical use? And the trolling sort of comments are hard to judge since the people making them usually have some reason for making that doesn't even apply to the image presented. I think that what they meant by "helpful" in this context is practically applied suggestions but I've seen very few of those because a lot of people either don't know how give those or they don't want to take the time to go into it, so they just give an opinion of how they like or don't like the image. Which is fine, but not particularlly helful. I'd agree that most in the galleries are hobbyist and just want to showcase their work, which is good for the trial and error method.

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