Tiny Electric Vehicles Pack a Bigger Climate Punch Than Cars

Maybe. It really depends on your location. Biking on the only road out of my neighborhood would be all but suicide because there is no shoulder, it is high traffic, and places without enough forward visibility for cars to react in some places. It isn't due to lack of demand. I see plenty of people on bicycles in areas where it is reasonably safe to do som In other places I have lived, I agree with you.

I really hate blanket generalizations like:

There is risk, but it's still a lot lower than the risk associated with inactivity.

That also assumes that the person is inactive otherwise. Some people make an effort to exercise, others have physically demanding jobs. It also assumes the level of risk where it will vary quite a bit depending on location.

Commenter didn't specify motorcycle, sounds like they were talking about guilt l bicycle. Do you have a source for your claim?