Sweden has 250W tops for bikes at 25km/h.
Moped class 2 are the ones who can ride in the bike path with up to 1000W and 25km/h for cutoff. These do require insurance (~€6/mo) , but are mostly for delivery services where 250W just isn’t enough. These also require a helmet.
So far this system has worked pretty well with no insane speeders in the news yet. With anecdotal evidence it’s usually the insane wattage that really encourages bad behaviour.
Check out the Skoda CitiGo. 36.4kWh of small car goodness without any screens or updates. Just Bluetooth. Navigation is provided using your phone in the factory mount or a TomTom. It’s basically a scaled down e-Up with analog switches.