If you want to really make it in your goal of being an artist, you are going to need a tough skin. I tend to give very gentle critiques, making a point of touching on the parts that I really like about a person’s work — most critics will not!
Hurt feelings about what a critic says will never get you anywhere — you have to ignore anything that you feel touches on you personally. You have a bigger goal here. Don’t waste your time on feeling hurt by other’s commentary. The whole world is going to comment, if they get a chance to see your work — keep to your integrity as an artist, hold true to your own vision. However, if you have to explain your work, that means that you were not effective as a storyteller with the media.
Here is the key to art:
A piece of art is a communication. Nothing more.
Good art is technical expertise which is sufficient to create an emotional impact. When you have enough technical expertise you can then create anything you want and people will still love it. If you currently lack sufficient technical expertise, then think of the work that was criticized as a possible step on the road to building your technical expertise.
My best advice is, do not allow anything to stop you or trip you up. Learn and follow the models of the best artists out there. Pick your favorite and then read everything that you can about that person and how they got to be the best. Emulate it. I can bet that none of them spent much time moaning about their critics or indulged themselves in the luxury of hurt feelings. Find more data on those you admire who are in those fields and follow in their footsteps. Build your technical expertise up high enough so that anything you create thereafter seems like magic to others.
After you have made that step, carry on!