Any employees at those shifts are going to be terrified...
“And the handles on the carafes! You see this injection molding seam? You see where it is when I pick up the carafe for tbe 500th time today? You see these callouses? You’re not going to have callouses, you’re going to have blisters! Like everyone in the first week! And the packaging on these cups! You see this…”
Why? Just as long as they don't fire someone on the spot, live on social media, I'm sure their PR team can handle it. E.g. make a statement "Joe Schmoe had persistent performance issues and was fired a month after the CEO visit, there's no connection to the CEO."