I think Elon announced Tesla was ditching LIDAR in 2019.[0] This was before Mobileye offered LIDAR. Mobileye has used LIDAR from Luminar Technologies around 2022-2025. [1][2] They were developing their own lidar, but cancelled it. [3] They chose Innoviz Technologies as their LIDAR partner going forward for future product lines. [4]
The original Mobileye EyeQ3 devices that Tesla began installing in their cars in 2013 had only a single forward facing camera. They were very simple devices, only intended to be used for lane keeping. Tesla hacked the devices and pushed them beyond their safe design constraints.
Then that guy got decapitated when his Model S drove under a semi-truck that was crossing the highway and Mobileye terminated the contract. Weirdly, the same fatal edge case occurred 2 more times at least on Tesla's newer hardware.
It's been a decade and it's hard to keep up with all of the drama and ego. It was the EyeQ3 vision system. It used cameras, radar, and ultrasonic sensors and Tesla was accessing them directly. MobileEye cut them off and Elon put his foot down and said "fine we'll just use crappy webcams and be fine."
I'm not sure if it ended up being used this way, but if I recall correctly, when that was being initially implemented, federation was actually a core feature: different agencies / municipalities / etc could have their own servers and control their own data and accounts, but inter-agency conversations and rooms would be well-supported, along with each agency retaining a copy of the rooms on their own servers.
There's a synergy effect here - Tesla sells you a solar roof and car bundle, the roof comes without a battery (making it cheaper) and the car now gets a free recharge whenever you're home (making it cheaper in the long term).
Of course that didn't work out with this specific acquisition, but overall it's at least a somewhat reasonable idea.
In comparison to datacenters in space yes. Solar roofs are already a profitable business, just not likely to be high growth. Datacenters in space are unlikely to ever make financial sense, and even if they did, they are very unlikely to show high growth due to continuing ongoing high capital expenses inherent in the model.
I think a better critique of space-based data centres is not that they never become high growth, it's just that when they do it implies the economy is radically different from the one we live in to the degree that all our current ideas about wealth and nations and ownership and morality and crime & punishment seem quaint and out-dated.
The "put 500 to 1000 TW/year of AI satellites into deep space" for example, that's as far ahead of the entire planet Earth today as the entire planet Earth today is from specifically just Europe right after the fall of Rome. Multiplicatively, not additively.
There's no reason to expect any current business (or nation, or any given asset) to survive that kind of transition intact.
It's obviously a pretty weird thing for a car company to do, and is probably just a silly idea in general (it has little obvious benefit over normal solar panels, and is vastly more expensive and messy to install), but in principle it could at least work, FSOV work. The space datacenter thing is a nonsensical fantasy.
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