It is not enough to simply not be racist. You need to openly challenge racism.
It is not enough to not be transphobic or homophobic. You must actively fight transphobia and homophobia.
It is not enough to not be fascist. You must be anti-fascist.
Inaction will not stop a moving train. Refusing add more fuel will not stop a moving train. You need to remove the people who are adding the fuel and collectively operate the brakes. Only then may you stop the train.