It's the world's most famous track so I agree that it is a disturbing tradition

[theking]

...seeing garbage like this:

Racing fan calls out 'disturbing' tradition after sharing photo of Indy 500 aftermath
A racing spectator's photo of a gravel safety strip covered in crushed cans is drawing anger online after the fan criticized what they said had become an accepted littering habit at a major motorsports event.

I took these photos when I was there and it is a nice track that doesn't deserve the disturbing tradition stated above..