It feels like you didn't read the 2nd half of their comment. They do practice. They have a creative side that they want to explore, but they don't enjoy that sort of grind. Instead, they like tinkering and combining tools in interesting ways. I don't think this is a bad thing.
Leo Fender didn't play guitar and always wished that he'd sit down and devoted the time, but never actually enjoyed it. But to say that Leo didn't contribute to the music world, would be insane.
The subset of integers in the set of reals is non-zero. Sure, I guess you could represent it as arbitrarily small small as a ratio, but it has zero as an asymptote, not as an equivalent value.