We can't know the guy's motives. One plausible (at least to me) story is that he doesn't want to work there any more, but wants to convince people he's an incre

We can't know the guy's motives. One plausible (at least to me) story is that he doesn't want to work there any more, but wants to convince people he's an incredible AI engineer. Also he might have enough money to retire. Make $700K for three years and you can reasonably plan to live on at least $100K yearly interest forever.