> If you haven't actually poured asphalt, you shouldn't be using that road. If you haven't actually connected a pipe to city sewage, you shouldn't be using that

> If you haven't actually poured asphalt, you shouldn't be using that road. If you haven't actually connected a pipe to city sewage, you shouldn't be using that flush toilet. If you haven't actually nailed shingles to a roof, you shouldn't be using that roof. The reason for actually having done it is to understand the reality of where food comes from, not to try to instill a view that everyone must do everything themselves to be able to use anything in the world.