Even if they were biodegradable, why would that make it okay to throw them on the ground? Half an uneaten sandwich is certainly biodegradable. Ants or birds

Even if they were biodegradable, why would that make it okay to throw them on the ground? Half an uneaten sandwich is certainly biodegradable. Ants or birds would probably dispose of it in days. But what sort of degenerate just tosses half a sandwich onto the sidewalk? That's inconceivable behavior for most people.