Why quality theories always appeared "FIRST" from manufacturing industry?

Question

Why quality theories always appeared "FIRST" from manufacturing industry and then apply them to other industries?

In fact, all industries

face competitions,need improvements

measure results,optimize outputs...

Why quality theories always appeared "FIRST" from manufacturing industry and then apply them to other industries? and not vice versa?

Thank you!

Answer 1

Becauise the R and D is high in manufacturing. They need to be the innovators. The other companies as long as they get product don't care how just as long as they get it.