I honestly think it's because there are so few standardized regimens with most weltcuppers.
i mean- ghirardelli used to simply hike up mountains every day, do some squats, and hit the sack.
I like the uphill-hike part, as BillA can attest.
Meuller was an animal who squatted, deadlifted, etc., for hours each day.
many weltcup skiers bicycle like animals, and two very gifted snowboarders I know, one whom is barkingbear, have insane leg-conditioning as a result of being absolute beasts on ye ole velocipedes.
On the cross-m team, we used to do unweighted squats in the parking lot each AM before our 8-10 hr. daily course workouts, and my roommate/training partner and I would still hit 'tahoe iron works' in tahoe city each night to do full-body workouts: squat, bench, military press, scott curls, weighted-dips, 'arnold presses' (twisting military dumbbell press), milk-crate plyometrics, squat sled, and twice-weekly heavy deadlifts.
i was an avid runner prior to a handful of my knee injuries, but running and weltcup skiing don't really complement each other well enough to blow the clalories and knee-trauma on running.
I shared much gym time with some great weltcup skiers in some european gyms who involved more massage and machine work, which can't be overstated. when pursuing hypertrophy in big-muscles such as quads and hamstrings, a sadistic masseur who knows how to break up adhesions is key.
many german and eastern-european athletes use negative-resistance equipment much like the hydrostatic cybex stuff used in PT facilities, to excellent advantage.
I don't knock too many workouts at all, as each athlete has vastly different needs which require different regimens.
downhill (and all single-event alpine) skiing and snowboarding being such strength events, I've always felt that a talented ski racer whom decided to take 18 months off and simply spend that time performing NFL 3-day/wk. workouts would return to the course a world champion.
that's my own theory which has yet to be proven or disproven, however.