Mandelbrot does not claim to have invented it. Fractals use all 8 colors. Who cares about convergence. It doesn't smell like a fractal. He wrote them up, so he should know.
Fractals are highly itterative.
Itterated has a fancy interpolated enlargement technique. Hey no fuck'n sensor. But it is too slow to be anything else. IFS is not. Fractalnyi privet Kole Ivanovu ot Alberta Indeeva.