Yes, this is a simple point that possibly warrants exception to the rule that many people seem to dismiss too easily. Whether you agree with it or not, Trump is taking Europe to task for not standing strongly enough for Judeo-Christian values. When he says Europe is facing "civilization erasure", it's not like he is worried about the erasure of Islamic civilization. If you're weaponizing religion for your politics you shouldn't be surprised if the shepherd gets annoyed. It is a delicate dance regardless though.