It can be useful to have more than one brilliant-but-speculative idea for making huge amounts of money, in case one of them fails. Harry sounds like the kind of person who would hold off on proposing uncertain but alluring solutions when the problem is difficult, important, and not urgent.
Hell, they might even come across something a lot better than currency arbitrage—mass-producing immortality, for instance.
It can be useful to have more than one brilliant-but-speculative idea for making huge amounts of money, in case one of them fails. Harry sounds like the kind of person who would hold off on proposing uncertain but alluring solutions when the problem is difficult, important, and not urgent.
Hell, they might even come across something a lot better than currency arbitrage—mass-producing immortality, for instance.