Roll of the dice. (Unless the Virus was of God or Aliens and intended for the effect.) Then, we tended to choose the plants infected.
https://www.sciencedaily.com/releases/2018/11/181126105506.htm
Summary: THC and CBD, bioactive substances produced by cannabis and sought by medical patients and recreational users, sprung to life thanks to ancient colonization of the plant's genome by viruses, researchers have found.
Now, for the reason I came here. No matter if the entourage effect is real or not, get ready to hear about it everywhere.
https://mjbizdaily.com/entourage-effect-marketing-by-cannabis-companies/