h2g2 The Hitchhiker's Guide to the Galaxy: Earth Edition

It's a depiction of the effect of the second law of thermodynamics upon human endeavour. Or a panel with a tear in it.

There must be some law, like....'The more an open public space looks just fine the way it is, the more likely that somebody with more money than brains will come along and donate an 'art' work.'

Personally, I call this the Acorn Principle, after this:

http://www.roadsideamerica.com/tip/6565

This is 'Nutzilla', the giant acorn some wealthy benefactor gifted to the city of Raleigh, North Carolina. Lacking anything else to do with it, the populace raise and lower it on New Year's Eve a la Times Square's glitter ball.

And these benefactors are likely to get tax breaks for this junk!