In the end, we decided that only things that affect the game in the extreme deserve such an approach.
The loss is felt by all, because of the lost realism.
Such concentrated training is fastest (per specific player), and is the best way of training potential NT players which are a highly sought merchandise.Therefore, such training involves some risk, but with potential high reward.
The system is built by humans and choices had to be made where to go with realism and where not to. choices were intentionally made in order to punish unwanted behaviour with added risk.
We can't increase the number of NTs, and they have a set number of spots that can be filled.