Same here. I’ve been known to trot across the yard to get a look at a poop.I check anytime I see that. What I'm looking for is an abnormally dry vent, a poop build up above the vent. Below isn't so important, but above is often on the flesh rather than the feathers and the uric acid in the poop can cause dryness and cracks just above the vent.
I'm a great believer in poop checks. If I see a hen poop, I look. It has given indications that there are problems before a chicken starts to look under the weather. I discovered Nolia had worms by poop checking. I worked out that Dink had an broken egg insider her vent from poop checking. I discovered Tan had cancer through poop checking and much more beside.