As if scientists would be doing studies on supraphysiological steroid doses used by bodybuilders 
But since you claim to know your endocrinology, please enlighten us why steroids are NOT unhealthy?
There's lots of studies on supra physiological doses, you could spend hours reading them.
Question for you to research/ponder/explore!:
does your body produce testosterone? What happens if you introduce a synthetic form? How does it affect the negative feedback loop? What effect does this have on the HPTA? What are the effects of having infraphysiological testosterone levels in a male patient?
Introducing synthetic forms of testosterone in reasonable doses will not have devastating effects...that's just foolish thinking, and not supported by any current peer reviewed literature that I've ever come across.
Thousands of knowledgeable doctors who prescribe hormone replacement therapy would disagree with your points Champ. Steroids are safe, and fun for the whole family.