> As a pragmatist (?), I suspect answering from 3) on down is near impossible* unless you actually release it into the world. People are clever in a way I don't think any of us can anticipate and put to use things in novel ways that often surprise their creators.

That is likely true in many cases, but, even if definitive answers cannot be provided, the questions should still be asked in advance and the answers pondered. Many people take that difficulty or impossibility of conclusive answers as justification for not asking those later questions.