Trump says to ban all muslims from entering this country

The recent attack in CA committed by muslims and now they should be banned fr coming to usa? i think it is absurb because the plan parenthood mass murder was a white guy plus majority of school shootings , boston marathon, theatre shootings, etc but no one says anything or makes a big deal when it is a white guy murdering masses of people. Why is that?  minorities kill it is big deal but not whites who continue to kill in masses (not all whites r killers)