Not only does this make the place cleaner, people watching this may get the warm fuzzies that someone else actually cares.
Another thing is to ask employees at stores how their day is. You don’t need to have a full conversation, sometimes people just have nobody ask them this question and it helps.
I keep saying to my internet friends that the vast majority of people do not share political opinions online and you have to apply skepticism about what people actually think about political topics when scrolling through social media “takes”. Seems my intuition was not that far off.