Someone with skill but no ethics—that's exactly him.
Most importantly, he and that Director Luo studied under the same Teacher; they're traditional Chinese medicine practitioners from the same faction.
It's just that now, one has gone into politics, and the other is still in this line of work, harming people.
This is precisely why Du Heng and that bunch of them can never end up in the same camp and will always be at each other's throats.
When Du Heng prescribes medicine for people, he'll prescribe as little as he can, and if he can avoid prescribing expensive medicine, he avoids it. But look at this list—he's prescribed as much as he possibly can, and taken every chance to prescribe the most expensive medicine he can.
These are two completely different ways of doing things at the most fundamental level; there's no way they could ever get along.
