The protestors are mostly retired, and are not familiar (or most often, are actively skeptical of) the job market impact. These are just the facts, let's please not disagree on things where it is so easy to verify the ground truth.

In fact, the majority of people cite the data centers as (1) "AI slop machines", (2) a bubble that will burst leaving a data center behind or (3) surveillance factories. Very few think they will produce useful output. This is completely at odds with the idea they will displace the job market.