I took “big idea” to mean an idea that is a) key to someone’s worldview and b) somewhat particular to them, in that they make use of it to an unusual degree, even if it isn’t entirely original to them.
I took “big idea” to mean an idea that is a) key to someone’s worldview and b) somewhat particular to them, in that they make use of it to an unusual degree, even if it isn’t entirely original to them.