Assuming he is correct (I think he is) and Nvidia goes down sharply, it will take AMD, Intel etc. with it. Usually the equipment makers and fabs go down with them, many times even at a higher percentage.
APPL is the best bet as it doesnt have any exposure to AI. MSFT has spent a truckload of money on datacentres, if AI doesnt deliver they're going to face a huge drag on earnings because of the overinvestment.