These people, particularly the ones who end up worse-off from it, will be very capable of a sudden leftwards shift and their predisposition to being anti-liberal makes it easier to reach them if they've had genuine trauma caused at the hands of capitalists.

The real problem, honestly, is that to these people Liberal=Marxist, and I'm not sure how much that specific misconception would be shifted by their lives getting more difficult.

It's a surprisingly effective thought-terminator that stops people from actually coming to coherent conclusions about anything.