I've tried growing a pineapple so many times the way he explained not to do it, and well it just never worked. But the way he explains to grow a pineapple plant in the tutorial looks promising.
I ended up buying a pineapple plant from the store a while back. Pineapple plants only grow one pineapple, then the plant will die. But, before it dies it will produce lots of little baby pineapple plants. These little plants are super easy to grow. I use the same method that he explained. Each one of the baby plants with then produce a pineapple (it needs a lot of sunlight or artificial light to produce fruit). The process repeats itself.