We must identify harmful ideologies and ideologues and the systems that encourage and reward harmful behavior.
We must stop incentivizing harm. We must stop dignifying those who cause harm. We must identify and control those who cause harm. We must not allow those who cause harm to make choices that effect us.
Harm is a choice. Choices are made by individuals. Individuals must be responsible for the consequences produced by their choices. A great deal of harm is caused by separating the chooser from the consequences of their choices.