He worried the local homeless population was judging him. Not because of his general life of luxury or anything he did, but rather for the thing he didn’t do.
They picked through his trash and so they knew he didn’t recycle.
He had always meant to but he never did, and he was certain that in their search for cans to return, the homeless population had discovered his dirty secret and loathed him for it.
Certainly if they were in his position, they would dutifully sort each item between a bag of recycling and garbage. Hell, they’d probably even compost.