Proverbs 26:3 Guide a horse with a whip, a donkey with a bridle, and a fool with a rod to his back! There isn’t 30 thousand dollars worth of paintings in the whole museum if they call that art. Someone needs to be beaten with a rod for paying that much money for crap!
Monet, towards the end of his life, was a hack. He knocked out about one nearly identical copy of Water Lilies at Giverny, if he even drew them himself. How you put a value on "art" is a subject for P.T. Barnum.