My impressions have to do with changes since the property got a new general manager. They're subtle yet things my friends and I notice.
Here's an analogy. People who regularly gamble and stay at Stations' properties are not too keen about the changes to the slot club. They see things that I don't because I maybe stay/play at their properties once or twice a year. When one is a regular at a property, one tends to notice subtle changes, whether positive or not.