Yoga Is Not The Best

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He also says about 50 seconds into it into it, "...I'm sure they are stretching ....... that's not a workout." Then about 68 seconds into it he says, "A workout should cause your body to work, to STRETCH."

Leave it up the viewer. Try yoga, try lifting weights, they both offer great benefits, see what works best for you.

Yeah it is stupid, I mean it's just a fad right? It's only been around for about 5,000 years, I would say it only has about another 1,000. Apparently this person probably has never tried yoga, by looking at him I doubt he can probably even scratch his own back. As for the lame ass resistance training he mention, it is resistance, you are using your body weight as resistance. This is the same thing as isometrics or plyometrics.
http://en.wikipedia.org/wiki/Isometric_exercise
http://en.wikipedia.org/wiki/Plyometrics

While pilates may not be the best way to lose weight, couch potatoes have a difficult time with the exercises. I have seen some couch potatoes lifting an occasional weight.