If you don't know HOW to build a multi-billion dollar product without stealing prior work that isn't yours, WHY should you be able to sledgehammer your way into lots of money by preventing somebody else from getting paid for what they did?
Furthermore, a current lack of sufficient resources to pursue an idea does not mean that you never intend to do anything with it. The poster seems to think that the arbitrary amount of "a few years" discredits any prior work, as if it doesn't take people much longer periods of time to get their life in order and bring their life's work and ideas to fruition.