This behaviour is common on Facebook in Gen Z and possibly even Gen Y so we may be seeing transference of social behaviour to the workplace.
Manners and politeness have reduced with selfishness and egotism taking their place.
These are the generations that were told they were amazing - even when they got things wrong!
Yes - I admit I am a Baby Boomer - but as a psychotherapist I have learned to value all and discuss reasons when behaviours don't work. I feel a book coming on :)