how on earth is this gatekeeping? GP said nothing like "imperative programming isn't true programming and deserves to be looked down upon" or w/e, they just exp

how on earth is this gatekeeping? GP said nothing like "imperative programming isn't true programming and deserves to be looked down upon" or w/e, they just expressed a personal preference for FP. ("I hope functional programming languages become popular and also used for systems programming.")