Not at all. Owned 550D, 5D III, C100, C300, GH3, GH4, a7S, A7S II, bmcc 2.5k, ursa mini pro, pocket 4K, pocket 6K (and shot with FS5, FS7, fs700, Arri amira, alexa mini lf, sony venice, F55, ...)
All camera's have their strenghts and weaknesses. One has better color out of the box, one is easier to grade, one has slowmo, one is too light, one is too heavy, ...)