Ideas alone can be works of art; they are in a chain of development that may eventually find some form. All ideas need not be made physical.
The idea part is simple but the visual perception is complex.
Minimalism wasn't a real idea - it ended before it started.
Obviously a drawing of a person is not a real person, but a drawing of a line is a real line.
Don’t worry about cool, make your own uncool.
I believe that the artist's involvement in the capitalist structure is disadvantageous to the artist and forces him to produce objects in order to live.