Danielle Smith tells Sherwood Park town hall that Hungarian far-right leader Viktor Orbán has an 'interesting' idea to reduce immigration

Because racism/nationalism

When the black plague happened in Europe centuries ago, enough people died that hiring labourers became a competitive process, so wages and benefits went up. Assuming business minded right wingers pay attention to history, they probably want to avoid a repeat.

Religious social conservatives want more babies because their religion demands it.

Racists feel threatened by immigration and want to rebalance the population in their favour.