Dude, you are really missing the point. Maybe it's my fault for throwing up that vid, but I did that because it was an example of what we thought was cool in the early 80's. The 70's freestyle movement was more pure than it is even today. There was virtually no money in it, no sponsors, no ussa. There was very little organization to it and the term aerialist wasn't even used. Guys would travel around to different comps, pretty much living out of their cars, or going by bus. It would make one of Parry and Wesson's road trips look luxurious.
If they busted their skis, they couldn't call up line and have them fedex some new ones. Some of the best skiers may have gotten free equipment, but most had to go with whatever deal they could get. If your K2's broke, you'd ski on heads if someone would give you a deal. Events happend, guys would push each other and cool shit was going down for the first time. This was uber thug. Back flips were big, Ed Lincoln did the first loop and guys were figuring out how to rotate inverted.
Grand prize to the winner was usually front row for the wet t-shirt contest, and little else. Later freestyle aerials took on a seperate identity, and it became much more structured. I have a lot of respect for the early freestylers. Looking back on what was going on back then gives me even more appreciation for what's happening now. Happy 4th!