This is the best summary I could come up with:

Of all Elon Musk’s exploits — the Tesla cars, the SpaceX rockets, the Twitter takeover, the plans to colonize Mars — his secretive brain chip company Neuralink may be the most dangerous.

Former Neuralink employees as well as experts in the field have alleged that the company pushed for an unnecessarily invasive, potentially dangerous approach to the implants that can damage the brain (and apparently has done so in animal test subjects) to advance Musk’s goal of merging with AI.

The letter warned that “AI systems with human-competitive intelligence can pose profound risks to society and humanity” and went on to ask: “Should we develop nonhuman minds that might eventually outnumber, outsmart, obsolete and replace us?

If the intravascular approach can restore key functioning to paralyzed patients, and also avoids some of the safety risks that come with crossing the blood-brain barrier, such as inflammation and scar tissue buildup in the brain, why opt for something more invasive than necessary?

Which perhaps helps make sense of the company’s dual mission: to “create a generalized brain interface to restore autonomy to those with unmet medical needs today and unlock human potential tomorrow.”

Watanabe believes Neuralink prioritized maximizing bandwidth because that serves Musk’s goal of creating a generalized BCI that lets us merge with AI and develop all sorts of new capacities.

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