They are trumpist, because Trump is highly narcissistic and disgusted by _weakness_ in others. They are elitist Nietzschean social darwinists at heart and believe IQ should determine social status.
The populism stuff doesn't mean "We're protecting the little guy from elites who conspire against him." It means "We're protecting ourselves from other elites who conspire against us - but the little guy will still be better off with us as the authoritarian elite."