Understand your thinking DCB but they are under supplying which is as bad as over supply. They need a proper stock analysis doing on these launches because in my professional opinion (as a business analyst) their sales and demand curve is far outstripping the stock availablility curve. That is through a poor understanding of their buying/build lead times.
I know someone who runs a reputable golf retail company and they had just 14 clubs in total (1/4 rack) across the ST/GT/CLK range available for launch at their biggest outlet. Compare that to the full rack (60 clubs) for both the Taylor Made and Callaway launches and the half rack of Cobra.... it’s poor. Visibility in store then breeds brand and product awareness, get that right and you end up with the retail and marketing holy grail.... perfect synergy of product, placement, demand and delivery.
I charge £50 per hour Mizuno if you want professional advice on launches in future.