There's an expansive industry that feeds it all. The gyms serve as nurseries for the dumbed-down version of "climbing" known as "sport"...large numbers of shoes, harnesses and belay devices are required and sold....and from there, many are introduced to the "rock", where they can apply their SPECIAL NEW SKILLS with the addition of a new rope and a fistfull of quickdraws.
(How many are taught ethics in the process??? Probably few if any. How many of them realize that there is a controversy surrounding bolts? Probably few if any.)
But the manufacturers love it....the more folks they can persuade to sell-out to the clipping-fields where the learning curve is fast, the rules are slack and the satisfaction is cheap....then the more $$$$ comes your way, a few ($$$) of which can be sent to such organizations as Leave No Trace as a conscience-soothing testament to their "green" aspirations while they promote climbing for the masses on closely-spaced artificial safety-trails. Yee-ha!!!
WWGD?
you're a dumbshit...BD and Metolius make waaaaaay more $$$ on trad gear than quickdraws...well, there goes that argument...