Personally, I think that cutting by block pattern adaptation is a perfectly legitimate way of cutting a bespoke pattern. Whife thought so too, as did T.H. Holding before him. It's all a question of how much adaptation to the figure that is done that makes it a true bespoke pattern.
Love this thread... You are so right ~ blocks do not just magically appear!
"The quality of a person's life is in direct proportion to their commitment to excellence, regardless of their chosen field of endeavor." ~Vince Lombardi