mbachur: define tzadoki and say what the step is. If the OP is one step away from a tzadoki, you’re one step away from a Bandersnatch.
charliehall: I second that 100%. We can take it slightly further and point to the fact that according to some Rishonim (e.g. RaMBaM) others (e.g. Raavad, Radbaz, many baalei tosfos, practically all mekubalim) would be heretics.