Different people have told them different things about what they need to do to have a good golf swing. A lot of teachers, especially in teaching adults, forget about the basics of golf. It's much harder to teach an adult anyway. It's easy to teach kids because they pick the game up fairly quickly. You really have to emphasize just how important fundamentals are.
Adults have a lot more difficult time trying to get the fundamentals down.
They seem to skip that step and go right into the more complicated stuff. They go see the teachers and to golf schools, and they read the golf magazines where every month there's something new. Over the course of a couple of years of trying to pick up the game, they've been told so many things that it complicates the issue.