This is like saying that Netscape can re-write Navigator because they can copy Internet Explorer. It ignores that Netscape and Microsoft had totally different reasons for the choices they made, and that changing those choices in a re-write was very non-trivial for Netscape, to the point where it ceased to be a company.

You will likely find similar problems with this in attempting to replicate other health care systems. Indeed, you could complain that the mess we are in now is the result of doing a poor job replicating Switzerland's health insurance laws.