Well, it is your personal choice...I have no problems with truck art...It is unique and that is what makes it marketable!
A common thing wouldnt attract that much attention...But when you step out of your comfort zone, you appreciate many things....
Living in the West, you get used to dullness...Dull monotonous clothes and whatnot....But South Asia was never a dull region...and the truck art is a representative of the liveliness the region brings...
I honestly hate contemporary art...I cant bring myself to pay so much to look at something people can use a software to create or pay to watch a puddle of water in Eastern Europe! Another one I hate is performance art like this one:
https://www.elitereaders.com/performance-artist-marina-abramovic-social-experiment/
Another one I hate is abstract...SOME looks nice others look worse than a grade 2 child's attempt at painting!
Finally, I leave you with this: