Do people actually do this in things like slack? (One of the best things about being a professor in a non lab field is that I don't have to use things like slack.) This seems like open contempt for the reader.
I imagine this is the kind of thing you see at a large company where a good chunk of people are just coasting by doing nothing, Nelson Big Head style.
Meetings are 55 minutes of speculating about what AI will be able to do in a few years. Then if you are lucky the last 5 minutes can be used to discuss a real issue.