Here's another police officer who just gets it. Homeless people are down on their luck enough already, but when they take up residence for the night on benches, or in doorways, or on the street, they can sometimes be asked to move along by shopkeepers, or the police if they're deemed to be causing a nuisance. When this homeless man saw an officer walking towards him, he'd probably already started picking up his bag to find somewhere else to lay down for the night. He was wrong.
All this officer wanted to do was bring him some all-weather boots and thermal socks to keep him warm on a very cold night in New York. The officer had seen the man was barefoot and decided to do something about it. He didn't have to, and he had nothing to gain from doing so, but he did it anyway, because he could, and it helped.