It is most certainly possible to make a determination that a behavior is unacceptible without judging the person who engages in the behavior. And sometimes it is necessary for us to stand up to behavior that we find unacceptible. For instance, during the period of segregation here in the US. If some people had not decided that segregation was unacceptible and decided to stand up to it, it might never have been done away with. All changes in any societal context begin with people determining that some behaviors are unacceptible, and then doing something about them. It is not necessary to judge the people engaging in those behaviors in order to decide not to tolerate the behaviors themselves.