Commanding a cruise ship should be simple. Just say "cast off" and "set sail for next port". How hard could it be ;-) Playing a piano should be simple. Just

Commanding a cruise ship should be simple. Just say "cast off" and "set sail for next port". How hard could it be ;-) Playing a piano should be simple. Just look a notes and press the corresponding key. I've seen children do this. How hard could it be? <activity that requires skill> should be <simple>. Just <go through the motions> and fake it until you make it.