People assume that the ultimate implications of an idea are tied to how hard it is to execute.
But that's only true for incremental, obvious execution.
It's also possible to do incremental, non-obvious execution.
Combining multiple rare knowhows in a novel combination.
Lateral thinking with weathered (and arcane) technology.
If you execute in a novel direction, then you can get massive implications and simple execution… but only for the people with the right knowhow.
Finding an interesting combination of useful and catalytic knowhow can make magic happen.
Sometimes the simplest ideas have the most massive implications.