As long as there are ideas, there will be people who claim their "new ideas" have absolutely nothing in them derived from any previous ideas. Such people then scorn others who do not help them maintain the same fiction, and who instead dare to acknowledge that everything builds on what came before.
How dare you imply the origins of my inspiration are not mysterious. Now what am I going to tell the interviewer when they ask "where did you get the inspiration for that?" they always like my non-answers.