I remember a video pre-2016 of him going under cover at Trump tower doing room service, etc.
Everyone was happy to see him and he was a genuinely nice caring person.
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I remember seeing that video. It told me Trump practiced the proven management technique sometimes called management by walking around.
https://www.cleverism.com/management-by-walking-around-mbwa/
When I worked for MDAC-KSC we were required to do MBWA one day in Five. If George Faenza (Godfather of the Spacecoast) thought you were shirking you MBWA requirement you could count on a reaming.