Absolutely, this. They feel their platform is now legitimized, as evidenced by Trump supporters marching through colleges shouting "white rule", klansmen walking around in klan garb... daily reports of Muslims being harassed in schools, streets and elsewhere. Although Trump won't institute any overtly racist policies, he will also not oppose the racists who supported him. This, In their minds gives them the legitimacy to operate in the open. We've already seen this start.