Yes, electronics are very cheap... But remember the part where they also have a mechanical mechanism? They have two systems, where most cars have this very simple lock that connects to a tiny motor assembly. It's literally a piece of plastic and a few wires
The tablet thing is true, they've changed cars to computerize everything, and once you've done that you can connect everything over a network. Every button needs to do back to a chip to become a digital signal, so before you had these complex one-off wiring harnesses for everything
But the tablet thing is again, common. It makes sense, it's just worse
But Elon is a unique case. Elon likes to actually make decisions, because he thinks he's Tony Stark. He actually goes down into teams and hangs out, and they have to just work around whatever decisions he makes. It's present in all of his companies, but you can see it most in Twitter, because they didn't have time to build a team to strategically distract him when he comes to visit
This absolute idiot has spent the last month trying to get grok to be a literal Nazi. First, he added a bunch of white genocide to the prompt, making it change the topic to that from any question for a few days.
Now it's responding all confused, and saying things like "I never gave Jeffrey Epstein tours of spaceX or Tesla" when asked it Elon did it. Seems to me they fed Elon's tweets in the RAG system in a amateur way
He micromanages and meddles constantly... That's what he does at his companies
For a counterexample, Jeff Bezos. He was heavily involved in the fire phone, and had some genuinely cool ideas... But the priorities were all wrong, so it flopped. He learned his lesson