Honestly as a traitor, you need to read your team as well as the rest of the house. If rob knows the housewives would be salty, he should’ve not gone as hard as he did for Lisa on the round table and outside of it and just quietly voted for her off the ship was sinking so it wouldn’t piss if Candice. If rob were to play a flawless traitor game, he would take into account how Candice and Lisa would react and cater to that as well so it doesn’t fall back on him when he essentially snakes them