As for cancer, ignoring the fact that you compare it to child birth, it's completely natural. We all have cancer cells in our bodies at various times. Weak, unhealthy bodies do not know how to fight it, hence the so-called cancer breaks out so to speak. And you're correct that there are many other treatments to consider before traditional methods, but I'll get downvoted for speaking, so why bother.
Only if you say stuff without bothering to back any of it up with evidence, so people can tell if you're getting your information from a real source, or Alex Jones, Natural News, and that merry band of lunatics.
That's a large part of why he's now dead.
The problem is not C-sections and epidurals. The problem is that both are sometimes unecessarily given without much thought and for non-emergencies.