we are seeing robust profits and growth in margins in the S&P even ex tech and some of this spillover from the hyperscaling but some may be due to productivity enhancement from AI.
We have a lot of competing frontier or near-frontier AI companies. So far a lot of the productivity improvements seem to be delivered as customer surplus.
Worker pessimism over technological unemployment risk is enough to explain profit growth via wage suppression with no need to invoke productivity gains, and AIUI these sorts of indicators have been leading on AI capabilities and adoption.