RE: Don't you say that "IT'S A TALENT!" or "How to offence an artist with a compliment"
hmmm i really get your point but this is a rather complicate subject in my opinion. The majority of people that can't actually draw or at least haven't tried for a whole lot of period of time saw all of you artists like "gods" in away.
Things that we can't accomplish fast look like just a dream so when we see people accomplishing them we consider them talented. There is a little bit of truth there too. Not everytime it's only hard work as people are born with specific talents some which will never find out, like dancing,martial arts,singing,drawing etc etc
Take Leonardo Da Vinci for example, the man was a genius. If that man hasn't any talent then we should right now cease from existence the word :P
I really get it though, people like the one you mention in your post who said "you do nothing" are just stupid and get in my nerves too. In my opinion they don't even appreciate anything not even themselves. In this example i completely agree with everything you said.
Generally speaking though to the eyes of everyone else you seem talented but they/we mean it like you are pretty good and awesome not like you did nothing and just ink came out of your pen magically without any effort!