If you're trying to help push someone's car and it's not going anywhere, sometimes pushing harder helps. Occasionally, though, you just have to
say, "Is it in neutral or not?" If they say, "No, it's in first gear, push harder," what are you going to say? You stop pushing and say "You have to put it in neutral first."
So before anyone can enjoy the benefits of unschooling they have to "put it in neutral." They have to take off the emergency brake. Otherwise the car won't move. Too many people say "We tried pushing the car, it didn't move, we bought a new one. Pushing cars never works."
An analogy from 1997, with notes on the "have to" parts here:
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photo by Sandra Dodd