A book/movie/game/person which/who in itself is good, or at least not bad, but is ruined for many people by its fan community. Named after Minecraft, which due to the huge amount of children who play it and the paedophiles in the community, has a somewhat negative stigma surrounding it.
Person 1: 'Omg, FNAF/Undertale/PewDiePie sucks!'
Person 2: 'Well, not really, it's just a case of Minecraft Syndrome.'
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