How long would training systems take to make in comparison to individual teaching? And is it faster in the long run?

Question: How long would training systems take to make in comparison to individual teaching? And is it faster in the long run?
- Keywords:
  fast,
  systems,
  teach,
  training
Asked by Smithers to Boris on 22 Jun 2018.
- Boris Mocialov answered on 22 Jun 2018:
  
  Training statistical systems is much faster using pre-recorded knowledge. The difficult part is to encode the knowledge in a way that the systems can learn from. There are other approaches to systems training out there that are much slower, but require much less pre-recorded knowledge

Question: How long would training systems take to make in comparison to individual teaching? And is it faster in the long run?