I was mostly responding to your point about agency and powerlessness; and the implicit assumption that 'car crash victim' ⊂ 'car driver'.
As for a hypothetical bicycle ban in a counterfactual universe, I find the premise too uninteresting to form an opinion about.
I'm far more interested in this world; and don't much care for vacuous syllogisms like 'killing is bad; X kills; therefore X is bad', when there's more to be gleaned from measurement, comparison and statistics. For example, off the top of my head:
- How many are killed by cars compared to bicycles (say, per person-km)?
- How likely is a car crash to kill someone compare to a bicycle crash?
- What is the impact on life-expectancy from driving versus cycling (e.g. sedentary activity versus exercise)?
- How does the throughput of bicycles compare to that of cars?
- How does the infrastructure cost of bicycles compare to that of cars?
- How does the environmental impact of bicycles compare to that of cars?
- etc.
I find these to be far more interesting questions than trivial binaries like 'do cars kill?' (yes; so what?), or 'do bicycles kill?' (yes; so what?).
Similarly, the statistics above can inform a whole spectrum of decisions and interventions that can be made; again, off the top of my head:
- The setting of speed limits
- The setting of road-worthiness criteria
- The setting of test and license requirements
- The layout and features of infrastructure (sight-lines, speed bumps, roundabouts, pedestrian crossings, traffic lights and their sequencing, etc.)
- The classification and permitted uses of roads (e.g. one-way systems, bus lanes, segregated or integrated cycle lanes, etc.)
- etc.
Again, these are seem far more interesting than strawman cliches like "should we ban X?" (which, as far as I can see, you're the one bringing up? I certainly never mentioned it)