Great read — I find that path dependence reduces the stress of creativity. The pressure isn’t to be magically creative, just to combine existing thoughts in a potentially new way. Or to approach an old problem without preconceptions and with a “first-principles thinking” approach.
“Everything is a remix” is a solid documentary if you haven’t seen it. Your “everything is derivative” line made me think of it. https://vimeo.com/139094998