twistedwinds's avatar
1. Yes it can. But sometimes it's not their life story, but what they take from it. To be honest, anything could inspire an artist's work or contribute to it. So their life story could be a contributing element, or not at all, if they so choose.
2. Real artistic commitment does require you to push your boundaries, but it's the same yardstick of quality for any other field. Whether it requires excesses depends wholly on the personality of each individual, and even whether life experience requires excess. Sometimes you don't have to push yourself into excess in real life, so long as you can continue to challenge yourself mentally or improve, skill-wise.
3. No.
4. No, because even though the artist's message might be negative, their message offers insight into their personality, their voice and thoughts. These thoughts might be offensive, but that doesn't make them less interesting.

Great article, by the way. Love Charles Bukowski!