Pointless? No. Not everyone can afford to exchange their NA for a VT. Not everyone wants a turbo. And some people want the challenge of an all-motor car.
When the first import tuners got on the scene I'm sure that the big v8 guys posted the same things on the walls of the YMCA, or whatever it was that they used back then prior to Internet forums.
True, a tuned NA version of our motor will never be more powerful than a tuned turbo, but if your goals are milder you can still turn out an adequate little car from the NA.