The big question over many corners of the internet today is "what's next"?
It's impossible to predict Elon Musk, and nobody saw this coming.
Given that he seems to have a pretty short attention span, it's possible that Tesla as an auto manufacturing company is no longer a shiny new thing in his mind, and he wants to move on to something else, AI, robots, etc., and the concept of falling sales (and even faster falling profits) isn't something that had been considered. Now, with a failed new product (cybertrkkk) and no significant updates for current products that are in the process of being eclipsed by competition, his mind has moved on to some other shiny new thing. Cutting development teams for your core business, isn't a rational response.
At this point, it wouldn't surprise me if Tesla is no longer an auto manufacturer in a couple of years. Given Musk's penchant for just leaving things behind ...