Pokécharms

Things are fine to the best of my knowledge. ^^ As for your question, the anime is its own canon and what applies to the anime might not apply to RP settings. Legendaries being incredibly rare is likely to mean that while there would certainly some NPCs who encountered or bonded with a legendary - or even captured one - and that might be a Big McFricking Deal™ to the point some people would hear about it. However -