@daviddlevine it's extremely useful; it establishes a reality check on what investment is necessary to be competent to with a tool in order to accomplish some goal.
If someone isn't capable of coming to terms with that idea, I'd prefer they not do the thing.
@Dani Okay, I see now what you were trying to say. It's a valid and very important point, but I'm afraid the words in your initial post didn't convey that message well.