This is a gleaming silver lining view. Blindingly so. The largest customers of the trades class are the white collar class. The largest customers of service industries are the white collar class. It _will_ be "the rich get poorer and the poor get poorer". This is a hollowing out and redistributing up of wealth, plain and simple.
It's the reason AI company leaders are so adamant about framing it as a post-singularity utopia with UBI. They have no answer other than "you're all going to be jobless, better figure that out." Worse yet, they see it merely as a policy problem, rather than a problem they're responsible for. It _is_ a policy problem, no doubt, but the angry mobs won't be coming for policy.
And the top 10% of earners pay something like 70% of the tax receipts. Cratering that tax base is going to wipe out social programs and payrolls back and forth across the entire country.