On German TV broadcaster ARD, commentator Florian Nass was left stunned, describing the comments as "totally wrong".
The 27-year-old, who won the individual sprint world title in Hong Kong last year as well as a gold medal at the 2016 Rio Olympics, collided with another cyclist while training at Germany's Cottbus velodrome.
German T-Mobile rider Patrik Sinkewitz tested positive for elevated levels of testosterone, the German cycling federation said on Wednesday.
Cycling: Olympic champion Vogel stable after operation