I've noticed that the vaporfly flyknit is much easier to find available on nike.com, runningwarehouse, etc. than the original was. For months in 2017 and early 2018 it was nearly impossible to purchase the vaporfly, and even the zoom fly for that matter. The rumor was that there were production issues causing shortages of the original vaporfly, but I find that hard to believe coming from a company with the resources that Nike has.
Was this all a marketing trick by Nike--to create a demand that far outweighed the supply, then flood the marketplace a year later?