It's insidious - even the news reporting an attack somehow has to treat everyone as though they are somehow equivalent, so they say "four dead, including the attacker" instead of "three people killed and a rabid animal put down at the scene".
Everyone isn't the same - our society and civilization is simply better than theirs but the liberal democracies that I think too many people take for granted won't survive without being protected and defended against those who seek to destroy them.