Are you referring to
this article?
S&M have responded to this article in previous posts. You can search for them on the forum.
More important that memorizing a "ranking" of hands, is knowing why certain hands are or are not playable in certain situations.
For example, in this article it states "33 and 22 are not worth playing". That's just flat out wrong, especially when they advise playing hands like A2o and K6o.