That comment doesn't hold up to basic critical thinking.

If writing off the loss is the same to a capitalist as selling the product, there would be no incentive for the capitalist to sell it, because that involves more complications than just claiming the write-off. By necessity, any writeoff that is equal or greater than the sale value of the product will result in companies limitlessly scamming the government (or insurance). It follows that spoiled or stolen product is some degree of loss to the company.

"The capitalist still wins" is equating larger wins to smaller wins.