Life always finds its own way out.
The premise of this sentence is actually that the "environment" shapes and transforms life... Life that cannot adapt to the environment should theoretically die off, and if it survives, it often has undergone changes.
In the Life system, the two broad categories, Gardeners and Beast Tamers/Healers, are essentially the distinctions between "environment" and "individual."
In a sense, Gardeners are much crueler than Beast Tamers...
"Are they all dead? Next batch..."
Lu Ping'an's methods, if described morally... probably have no morals to speak of.
Since results are needed, Lu Ping'an's way of doing things might just be the most efficient.
"...Adaptation in primates is the highest, even higher than that of humans."
"Uh, don't talk nonsense, I didn't use humans as experimental subjects. The data looks higher than the archived human standard values, I don't know who conducted the experiment, but it definitely wasn't me..."