Surely there are tribes that transcend and cross corporations. That's why you can hire old colleagues and get a team up and running in a startup or new firm
Hedge funds aren't married to the stocks they own. They'll buy and sell or even short depending on what the next short-term price move will be. As long as the price moves and they predicted it (possibly because they caused it), it's all good for them.
Even if he did hold more than a trivial amount of Alphabet, there's nothing to stop him from taking profits and selling out as soon as the price temporarily moved up (if it even would)
Tesla was a "forcing function" that caused other car manufacturers to build EVs. AI lawyer technology may be the catalyst needed to trigger reform of the legal system. It's clear that up until now there has been no reform forthcoming.
It would be better for the consumer printer segment to die off, and for the consumer to see the price of a proper printer that works correctly, and decide whether to buy that or use a print service.