NASA had invented many things that we, humans in the world, use every single day. The best thing for increasing technology is trial and error. Many times when I am trying to figure something out and do not know how it works or how to improve on it, it do the trial and error method. When something works, keep doing it. When something needs to be changed, try something new.
Yes, NASA's telescope will lead to even better quality telescopes in the future because it is improving what we know about the tools. By studying its new telescope, we will be able to build even better ones that can see farther into space. All science leads to even greater discoveries.
The important thing about NASA new telescope is not whether or not it will lead to better telescopes in the future, which it will, because humans are constantly improving on things, but what kind of new things it will discover. There is a great deal out there that we have not explored yet.
Yes, NASA's telescope will lead to even better quality telescopes in the future. Current technology almost always leads to better quality in the future. NASA in particular has the motivation and the resources to continue to create newer and better technology as they find what works and what they still need in the future.