Already numerous corporations have regularly scheduled classes in basic and advanced subjects directly and indirectly related to job requirements. Such corporate universities, as they are called, are growing rapidly, and I suspect that, as you join the workforce, you will have the sensation that you never left school.
Another factor is that the optimal rule for one model can produce very bad outcomes in another model. A third reason is that optimal rules can often be quite complex, thus making them difficult to implement and to communicate to the public. In other words, they may not be very transparent.