ICE motorbikes seem like the most obvious type of vehicle to immediately mandate 100% EV, with an aggressive target like 12 months (to clear out existing inventory). The segment and vehicles themselves are small enough that this changeover can be made fairly easily, with immense benefits for noise pollution in cities.
You are clearly not a biker... otherwise you might have understood why EV motorcycles are years, maybe decades into the future. If you refer to e.g Asia where motorcycles are possibly your only transport, then sure; your argument is valid. But this is HN, and in Western countries a motorcycle is basically a hobby. Heck, they are often even more expensive to run than cars. So as to why EV bikes are not even close to b…
That being said, I’ve only ever seen one EV motorcycle in China once (not just a big electric bike), it had unreal acceleration, I’m not sure it would be safe to ride.