Another bottleneck is money required to pay corporations who own the technology to "do mathematics". In that future, there will never be another Ramajunan.
Perhaps a parallel to this is what's happening with youth sports in the US. It is becoming increasingly inaccessible.
This is the reason why hiring is down for fresh graduates. We don't have low hanging fruits types of problems to give them anymore.
So until the industry figures out the workflow, the hiring for fresh graduates is going to be tricky.