Who watches webisodes? Really? I'll tell you who—enough people whereas ski "movies" as a physical medium might all together disappear, that's who.
As far as the viewers "already knowing about companies and sponsors, blah blah blah", companies masturbate at the thought of a relatively homogenous, like-minded audience that is easily reached and influenced ala the freeskiing demographic. Especially when the audience can be reached so damn cheaply and regularly as in with a webisode.
You really just have no clue what you're talking about and you're assuming that Monster targets athletes like Red Bull does, and/or that they have the same ideas about marketing and brand identity. Just go sit quietly in the corner and let the grownups talk.
Congrats, Max. Get that paper.