The industrial age brought compliance and compliance brought fear and fear brought us mediocrity.
The tiny cost of failure...is dwarfed by the huge cost of not trying.
Art changes posture and posture changes innocent bystanders.
No, the only way to know what people think is to watch what they do, not what they say. Do they come back for more? Do you cause them to change their behavior? Can you make them smile?
Go ahead, do something impossible.
If you love writing or making music or blogging or any sort of performing art, then do it. Do it with everything you've got. Just don't plan on using it as a shortcut to making a living.