User blog comment:Edrea/Everyone Turned Blind-Eye to Merlin's Power/@comment-5674726-20130715000327/@comment-10341849-20130715120436

Exactly, everytime any villain tried to do harm to Uther or Arthur or Camelot, they knew Merlin was onto them but nobody questioned how a mere low servant was able to thwart everybody's plan until it was too late and Merlin finally revealed his magic and killed them.