As a member of a non white-anglophone-evangelical demographic, a vibe I got for a long while is that many who supported Trumpism were buying into the notion that there ARE tens of millions of narcogang-criminal or system-cheating “illegals” who were just not being dealt with because the US legal Establishment was too namby pamby about “rights” to just do what needs doing. Because those cases when detected were what media amplified. So yeah, a lot of this crowd sincerely convinced themselves “oh, he doesn’t mean the good ones.”
…and yes a lot of people convinced themselves that a series of temporary or conditional or special-consideration measures created some sort of entitled right, when they were really subject to the policy of whoever was in office.