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Yes and No. They're a good starting point, but they don't account for the fact that the same team has to do doubles and triples.

yea, you need to be able to a little of everything, so Rock SLide > over Stone Edge, and mostly trying to take multi-hit moves when you can. it is a much different team building experience.

Not to mention you'll be changing EVs and Items for almost every battle in order to match your strategy. But yeah, as a base Smogon does help.