And if we want to limit cars - you know, the number one thing that actually kills a lot of people directly - then I don't think it helps artificially limiting alternatives like E-Bikes.
The only difference is with enforcing the rules, but there are solutions for that. Police on E-Bikes doing patrolling, mandatory number plates, E-Bike driving licence, .. not that I want all those things, but I much rather have that and not crippled bikes so cars stay the norm.
You can have an electric vehicle that runs at 100kph if you want, but that is not a bike, that is a motorcycle.
The problem here is people having vehicles assimilated as ebikes, but with radically different specs.
I have no problem with these guys driving their vehicles on the car lane, like motorbikes do, but that's not what we're talking about here.
These vehicles are running on the bike lane, drivers are without helmets, they cross pavements, and enjoy all the slow vehicles perks, while being far more dangerous for their surroundings.
I can only drive my E-Bike with my car to the forest (like to many people do), or drive slowly there myself.
While there are a lot of people riding more powerful bikes in Europe illegally, at least some countries are trying to crack down on them. In the US, it seems easier to buy class 2 and 3 e-bikes, and there seems to be a higher proportion of illegal bikes. It's an open secret which "class 1" bikes you can buy and then overclock easily.
So in Europe you mostly have class 1 e-bikes and obviously illegal (as in you can tell just by looking at them), but in the US you have these plus a lot of class 2 and 3 e-bikes, and overclocked class 1 e-bikes. The end result is most mountain bike trails in Europe allow class 1 e-bikes only, but in the US it's impossible to enforce class 1 only, so a lot of regions are trending towards banning all e-bikes from all trails. So be careful about wishing for a more powerful e-bike you can drive in traffic and mountain bike trails.