I know a lot of people won't like it but I still like to cycle my aquariums with fish. I don't see the difference between usng fish or food (fish or shrip as indicated in the article) to start the cycle. Any piece of fish or shrimp you use as food to cycle your aquarium was either grown or caught to be food. So if you use a live fish at least it has a chance to survive.
Just my thoughts. But maybe I'm looking at it the wrong way