The truth is, crashes make you more nervious about the hobby. The make you resentful to wards it. I don't like the idea that people say you have to accept crashing. Its like accept the fact you will fail. Going into this hobby, last thing you want to do is fail. If you are carfull and smart, there is not reason why you should have a bad crash. Sometime a harder landing..but no hard crashes. Once you get into the tricks, the risks are much higher for crashing...but that just statistics. Practicing the tricks on the SIM will lower your probability of crashing.

Anyway the point is, yes there is a big possibility of crashing. If your controler fails, your engine fails etc. But as long as you are in control, you can prevent crashing. Just like driving car, there is a chance you may crash. But will all get in and drive with out thinking about it.

I personally have not crashed yet, and don't intend to. I practice my tricks with very high altitude. But who know, one dumb move and its back to the drawing board.