I think that's a bit of a strawman--though I agree with your sentiment--because to be a "grandfather" of something assumes you've had an influence on the next g

I think that's a bit of a strawman--though I agree with your sentiment--because to be a "grandfather" of something assumes you've had an influence on the next generations. And in this case, yes, you gotta stand out (not necessarily commercially, as many works of art, records etc were a flop but highly influential in the decades after.)