Well, Ferrari can sell a lot more cars then they can build, so there are certainly SOME consumers who need them. And hey... those could be the same folks willing to pay alot for fast travel! And keep in mind that Japan is rather a long way from the US and Europe, flying the pacific at mach 3 makes a lot morse sense then flying the atlantic at mach 3.
Well, Ferrari can sell a lot more cars then they can build, so there are certainly SOME consumers who need them. And hey... those could be the same folks willing to pay alot for fast travel! And keep in mind that Japan is rather a long way from the US and Europe, flying the pacific at mach 3 makes a lot morse sense then flying the atlantic at mach 3.