Which is not to say there is no genuine merit behind your accusation, just that, without elaborating, it's impossible to know what they mean, as even just enforcing standing immigration law is far-right these days.
[1] Prevailing opinion among 5872 typical white enlisted men in the Air Forces is: Train Negroes as pilots, bombardiers and navigators, but segregate the Negro both in training and in subsequent duty. - https://ia902302.us.archive.org/25/items/us-war-department-f...
[2] https://www.newsletter.co.uk/news/crime/cs-lewis-home-office...
[3] https://www.embracerace.org/resources/explaining-to-my-eight...
[4] https://www.snopes.com/fact-check/canadian-parliament-ovatio...