Virus' are engenius in manourvering their mode of survival (cancer, AIDS, Diabetes have resisted all cures)
Diabetes is not caused by a virus, and while some cancers are linked to viruses (ex. HPV and cervical cancer) not all of them are, there are also gentic and enviromental factors.
The other point is that speciation is indeed a perishment of one life form to usher in another.
And that is a blatantly false statement. If it was correct we'd only have one species of bears, one species of whale, etc.
Just a monkey in a long line of kings.
If "elitist" just means "not the dumbest motherfucker in the room", I'll be an elitist!
*not an actual doctor