Zomby
Ah, but we do.
We are talking about a historic and technical opportunity squandered away.
And by the way your last argument is false AND a direct quote of Your dear Diefenbaker.
Khrushchev also lied: We are churning out ICBM like hot dogs.
The ICBM was for full out Atomic war.
What the west desperately needed was a capable interceptor and with the new Canadian engines it would have been a Russkie Killer.
Costly yes , but the most expensive stuff was already payed : testing and tooling.