Re: One doesn't imply the other
"As far as I understand it (thirty seconds on Google), Jeopardy gives you an answer and you have to respond with the correct question. This likely isn't that hard to do if you have a fast processor and access to a massive data set."
Not to be rude, but you really don't understand it very well. Jeopardy questions/answers are very hard to figure out, often more like crossword clues than pub trivia, and the best humans are highly regarded for both their knowledge and skill. And Watson, like the best human players, was also really good at introspecting on how confident it was of its answer, and therefore whether to take the risk of buzzing in (Jeopardy penalizes for wrong answers).
It really did take a lot of work to get Watson to the point where it could not only win the game but also avoid making a fool of itself (early iterations were sometimes hilariously bad).
The problem with Watson's Jeopardy win is that Watson achieved something very difficult... that did not translate into anything financially valuable in the real world. It solved a problem that nobody had.