It’s not like pushing the limits of the human body without any doping doesn’t have any risks or side effects.
Some types of drugs can improve body functions in ways that reduce strain on the body, not increase it. And even use of potentially dangerous drugs would be much safer, if it was done under guidance and monitoring of medical professionals.
Overwhelming “support” is not that surprising, to be honest, when the question is “Do you support Putin or do you want to fall out of a window?”