I see the dudes at the ski resorts riding the lifts to the top to bomb the black diamond runs on their full-suspension downhill bikes, which they don't ride to the top most likely due to a combination of two factors: first, their bikes weigh like 40lbs, and second, there's a machine to take you to the top. A buddy of mine races downhill MTB, and says that on many courses he doesn't pedal more than 4-5 times. There are people who are into it for the bombing downhill part, and that part alone. I don't fault them for it.