Lots of angst over the dismissal of the SC and Destination Charging teams, as well as some key departures.
As has been mention, Elon is in "Demon mode". It's one of the things I think sets him apart from most CEO's... his goals are such that he feels the need to keep his companies in "startup mode". The complacency that tends to develop with established companies is the antithesis to what he sees as critical to meeting his goals to combat existential crisis.
So, while steady progress may seem like good business, when he sees redundancy, waste, routine, etc... he's willing to wipe the slate and dig in again.
Is there risk in this? Yes.
Does it make shareholders nervous: Some, definitely.
Does he see risk in NOT doing it?: I think so.
Has it worked previously? Also, yes.
I believe it's why Tesla, after being in business for 20 years, has the nimbleness typically found in a startup, not a traditional manufacturer...