It's all part of the learning process. When a toddler learns how to walk, he will take a few falls. The toddler isn't going too fast, often a parent is holding on, the child is on grass, or on a mattress, or in a playpen. He learns to be careful by getting a little hurt. After a few years the falls are fewer and farther between. Hopefully by the time the kid's running fast he has learned not to fall so much.
When you first learn to ski falls are fairly frequent, but if you're lucky, you're not skiing too fast, and your skiing in a safe place. You get a few bumps and bruises and learn to be careful. By the time your skiing down the hill at a mile a minute, hopefully you have learned not to fall so much.
Related to this is something I've experienced first-hand recently: ~20 year-olds starting with skiing.
My girlfriend picked up skiing last year, and took about 15 full days of ESF training. On the final day, I misjudged her skill and brought her to some hard slopes. She fell, alot, often at slow speed. No problem with those, it's part of the learning process.
The one thing that I disliked is how she had absolutely no knowledge of how to behave during a fall
. The first few times, she actually turned herself head first and kept going, gaining speed during the fall (which made me to do a quite heroic rescue!
). I had to give her tons of pointers for her owns -and the other people around us- safety.
So, my point: while older (12-30y) people pick up the basics relatively quickly, they (their instructors) often don't push the limits enough imo, or should at least get some basic courses on crashing. Because these younger students will search out more challenging terrain, often without having gained any experience on heavy falls. If I think back to my first ten years of skiing, all I remember is getting up, walking up to get my ski's and continuing. The 5 years after that, I remember falling and wondering how I managed to recover. The years after that, I just remember my one big crash that almost cost me an eye, but that's it in terms of falling.