It appears that the shoe (and thus the cleats) are referenced to the toe cavity on the shoe, rather than the pedal spindle.
Different companies use different lasts to manufacture their shoes. They differ significantly in dimensions.
So unless I'm missing something, just referencing the toe cavity on the shoe when installing cleats won't get them in the same spot relative to the ball of our foot, which is what we really need.
Just my $0.02 but I don't see how this machine will get my feet over the same place on the pedal when changing shoes.