>>27184958even pokemon designs in the gen 1 games clashed with official artwork.
>>27184959psychic types are supposed to be weak to the things that cause fear in people
-bugs
-the darkness
-death
and in the strategy guide iirc, as well as all official sources, it was stated that ghost is super effective against psychic.
then you come to the game itself, and because the only ghost types are dual-typed poison, psychic is super effective on them, and the only ghost-type non-fixed move, lick, doesn't affect them whatsoever.