People who are illiterate and ignorant despite being intellectually capable were a burden to society and overal considered undesirable. The goal was to improve the quality of living for all people in society and educated workers, engineers and burocrats were needed
> The goal was to improve the quality of living for all people in society and educated workers, engineers and burocrats were needed
That was the claimed goal, yes. It didn't actually work out that way. Which is an example of the problem I described.