You mow down 77 liberals and you're complaining about being in solitary? He even throws in a seig-heil for good measure. Not that I want to see Anders Behring Breivik harmed in prison, but he's lucky to be Norwegian where they don't have the death penalty.
He's been come to mind in the last few months as anti-immigrant fervor has his Europe and the US. Part of the logic of fearing non-European immigrants in both Europe and the US was that they don't fit into Christian territory. Even if the folks feeling that aren't all that devoutly or spiritually Christian, that's their cultural roots. Breivik is the Reductio ad Absurdum poster boy for that attitude, mowing down liberals for abetting the degrading of European culture.
Breivik cast himself as a "cultural Christian" a while back, appreciating western culture but noting that he was atheist. That would seem to describe a lot of the AfD backers in Germany as well, albeit without quite the murderous side-effects. Trump's defence of Christianity has quite a bit of that cultural-but-not-spiritual vibe to it, although your mileage may very.
It's important while we defend the faith, we don't confuse that with the culture, the country, or the continent that we live in. "Defending the faith" doesn't mean making fun of non-believers or mowing them down wholesale (or retail, for that matter); that only shows what we don't like rather than showing them what we do want to emulate.