Is there a selective advantage for creating art?

Anything as long as it is unique to itself

if there a layer of oil , they get blocked up and can't breath so they die .

There are many reason. For some it is self expression and for others it is a means to communicate who a person is to others. There are prison tattoos that tell other people the crimes that the person...

Talent.

Advantages: Easy to access is cheap and free loads of clip art pictures Disadvantages: limited to the variety copyright could apply the quality could be varied - poor/cartoony