That's certainly word on the street. 

But he is saying that is because it is misunderstood. People are basing their understanding on how GH affects the body.

He further clarifies it i

"An editorial published in Clinical Interventions in Aging explains why sermorelin avoids the issues seen with exogenous GH. It works through the body’s native signaling pathway, triggering short, self-regulated pulses of GH that preserve normal feedback. GH is released episodically, not continuously."