They play the cycle counting game, yet look at the reality. Incorrect inventory. Customer service errors. Unnecessary safety stock. Out-of-date/unsellable product that is not written off and disposed of. Instead it clutters warehouse space and adds to the warehousing picking time and operating costs.
And yet these firms talk about the low cost of capital and how the extra (unnecessary) inventory is not a problem And Einstein laughs at their inventory insanity.