These particular side effects of catnip on cats can often happen regardless of whether cats have been spayed or neutered. Kittens born to at least one parent who reacts strongly to catnip generally have higher chances of having the same reactions when they get older, as catnip only affects ...
which make it very clear that felines are felines. Of course, those bigger cat species don’t necessarily react the same way as domestic cats. For example, both bobcats and lynxes are known to be fond of catnip, so
in all territories. The natural assumption, therefore, is that someone dumped the data from some prototype and wrote it up. There are many details about the data (moves referenced by ID, move accuracy given as a percentage, all names (Pokémon, moves, maps...