50% of the population have an IQ below 100. 16ish percent have an IQ below 85. What are they going to do?

We've already essentially phased out the useful work that people under IQ 70 can do. It's likely that it's creeped up to 75 or 80, even. As these are automated, let's creep it up to 90.

It also takes out those who are poor and have no branch on which to gain experience for their first job. If we have eliminated the first jobs for all but the most talented and those with connections, what does a somewhat bright poor student do?

Well, it used to be they got a job, proved themselves, and worked their way up. Now, what do they do when they don't have the social capital to get to the point where they can work up?

What are these newly opened industries that will work with these people?