I don't disagree that commuting by bicycle can be hazardous, but the major risks to cyclist safety are cars, trucks and other cyclists (mainly e-bikes). Pedestrians, potholes, bollards, etc. are no worse than an inconvenience most of the time. You just don't build up enough speed to cause that much damage in a busy city due to a fall or colliding with a pedestrian. OTOH, even the mildest collision between a bike and a car is generally a Bad Time for the cyclist.
Source: me, who commutes by bike daily through a capital city.
The problem arises when cyclists want to use the space reserved for pedestrians (sidewalks), or ignore red lights, when pedestrians use the crosswalk. I am not against bicycle lanes, when it is doable, but cyclists should go on the road when there is none. And have insurance + numbered bikes if electrical.