Because the sweet spot is, like the diminishing returns "point", not a point, but a surface made of three interacting factors :
Subjective abilities and knowledge and training,Technical evolutive progress of design, cost and price illogical distribution, there is no "point" here between these 3 interrelated set of factors...
Our redemption from marketing is basic knowledge of acoustics or unlimited budget coupled to acoustics ignorance or not ...![]()

