This isn't even wrong, all purists have this weird ass obsession with a false-sense of realism when that's something constructed using creative liberties, not copying history.
The RWS is just as absurd as the TV series, the difference is that one just went further.
The Grade II East Farleigh station of 1844 (made famous in 1972 by its selfless stationmaster Spud Murphy) has been beautifully restored by @NetworkRailSE, Kentish-clapboard and all. It’s an NR office and has a manned level crossing box too. See the @BBCArchive piece on Spud: