Been arguing the same since the end of the election.
This isn't the way to change things. It only makes people back into a corner and hunker down.
It's still worth it to call out racism for what t is. Shining a light on negative behavior supports the victims and negative reinforcement can have an effect if the recipient is dependent on you for some reason. Otherwise negative reinforcement should be used with caution.
My proof for that. Click on the Vox link in that article further down about why misogyny won this year.