Not really. The reason why terrorists have been able to slip through the nets is because Turkey is letting them in and out of Europe freely, aided by the massive influx of refugees.
People don't want Islam to spread as it has already, and rightly so. Why should we be forced to host a religion that neither assimilates into its new surroundings, demands respect, and can't maintain a peaceful balance with other religions?
Europe has no obligation to take refugees, and we should not be called 'racist' or 'islamaphobic' for denying people entry.