Let's NOT call it that, because it isn't that.Let's save that for when it really means something.No “crime” here.Statistically,there is a legitimate case that Arab Muslims commit more acts of terror per capita than other groups,so if you want to reduce the risk you apply greater scrutiny to that group.This ban is said to be temporary until they decide how to deal with the risk.Trump's ban is biased in that it does not go far enough: it does not apply to countries like Saudia Arabia which likely poses a greater risk than the named countries.I presume they remain untouched for economic reasons & that the political imperative (keeping an election promise) is the prime driver for the biased application of the ban.Either way, in several months I presume there will be a system of heightened priority to security over avoiding legitimate “profiling” wrt immigration.

You may believe the statistical link should not be a cause for action,but it can't be denied that it exists & identifies a risk.