No, he talks smart. Smart investors always prepare themselves for the worst.
I do agree though with LoyceV when he says "all eggs in one basket" is not the best thing to do.
all smart investors prepares themselves for the worst and does something about it before it happens. There should be signs, as a smart investor you should be able to read and anticipate these signs and work your way of of it. I dont see the worst happening to bitcoin in the near future though so youre good.