Easily able to take on three or four normal people alone, over time, it could potentially become a hidden danger in society, so this must be guarded against.
And Elder Zhang's suggestion is quite sensible. Although it is used by the best soldiers each year, in essence, it gives other soldiers hope.
It's precisely because of this hope that they have drive, as we are currently in peaceful times, and these soldiers can only train endlessly.
This is a very tedious and boring thing for anyone, so being able to give them some goals in times like these is quite a good thing.
When the time comes, in order to strive for the chance to enhance their physical quality, each ordinary soldier may very likely unleash all their potential in training, aiming to obtain a bottle of the Genetic Enhancement Potion.
Although this is how it's spoken, the quota is restricted to the best individuals selected nationwide each year.
