Maybe they want to test their product with a defective component to see how it behaves and make is more tolerant. When I used to do SSD controller/firmware we u

Maybe they want to test their product with a defective component to see how it behaves and make is more tolerant. When I used to do SSD controller/firmware we used keep out of spec flash memory around to test the robustness of our error recovery. There are ways to simulate the errors but the real stuff always fails in mysterious ways.