The aspiration to impartiality should be part of every judge/justices personal framework.
But people approach ideas and problems in different ways.
On the judiciary, that may play out in different ways but is generally consistent with precedent.
Hey! You're reading too much common sense into that. What she really means is that if a person that has spoken ill of Latinos comes into her courtroom, they will be ruled against, regardless of what the facts say! Dagnabit!