Tiara, I understand what you are saying, but we all have to admit that what one person thinks is a helpful critique, others will view as an insult.

Furthermore, we all have to admit that we are not the final authorities on what is art.

I don't mind someone pointing out blatant errors or little things that might make an image better.  But, so much is subjective.

I have a friend who sees a lot of my work and he so often tries to be helpful and inevitably points out things that I just can't agree with.  He has no understanding of 3D.  He'll say things about shadows and reflections and I get into this discussion about how the computer calculates the shadows and reflections, therefore they are technically correct.

Many people get hurt over "helpful critiques" because many of the crits are unfounded or uneducated.

Furthermore, everyone should just accept the fact that Renderosity is filled with hobbiests.  People who are addicted to posting and meeting friends and traveling that path.

There is nothing wrong with that.

And, we all have to come to terms with "Pop-Art".  "Pop" is short for popular and Pop is not always the cream of the crop, it is just the most popular and most commercial.  If you want to be a commercial artist, then study what is popular, you might learn something that will help you excel (when I say you, I am not intending to single any specific person out, btw.)