At the height of the Brexit wars, when he served as Theresa May’s Brexit adviser, Robbins was described as “the bête noire of Brexiteers”. Some hardliners accused him of pro-EU or Remain bias due to his position in pursuing a Brexit deal that was not, of their opinion, sufficiently Brexit-y. Robbins was at May’s facet as she negotiated her Brexit deal, however when it didn't win the help of the Commons and he or she resigned as prime minister, Robbins additionally left authorities.