This drives me nuts ... skied Snowbird & Alta last Thursday, Friday & Saturday. The snow was incredible ... probably the best three days of skiing (in a row) I've ever experienced.
What I couldn't believe was how incredibly reckless people were. I've never been so concerned about getting taken out as I was during this trip. A friend I was with actually did get taken out ... A guy skied into him from behind at full speed. Fortunately, no one got hurt, and the guy apologized, but my friend's ski sustained some damage. In another incident, I had stopped to wait for some people and a guy skied right across the tails of my skis. There were lots of other cases where people came so close to each other, with no warnings ... How hard is it to let someone know you're coming by???