Whilst it's somewhat hypocritical there is some false equivalence there to consider. An ebike can still go beyond the engine cut-off speed and exceed the local

Whilst it's somewhat hypocritical there is some false equivalence there to consider. An ebike can still go beyond the engine cut-off speed and exceed the local speed limit, so would act differently to a speed limiter on a car, which would be more restrictive. So, for ebikes at least, these are different things. Also in some countries larger vehicles already require a speed limiter (although not cars) so the political will is there in some form. Part of the reasoning for the speed limiter seems to be linked to the absence of mandatory training & licensing for ebikes & scooters. By limiting the speed governments are aiming to limit the risk to both rider and others and that risk has a direct correlation to speed. A non-limited ebike is similar in many ways to a light petrol powered moped and so in much of Europe you can get non-limited ebikes but you need a light motorcycle license and wear a helmet, as you would riding a moped. So there's some equivalence in law there.