To give people an idea of the subjective difference...
Decades ago, I used to be a bicycle commuter in Somerville, MA (USA). There weren't any usable bike paths, and so cyclists had to use the street and follow traffic rules like any other vehicle—lanes, signaling, etc. Local police enthusiastically enforced the law, and normally expected adult bikes to act as vehicles. Drivers were typical for the Boston area: Aggressive, minimal use of signals, but good awareness.
There was a major 3-lane intersection with roads going (left)/(left+straight)/(straight+right). A safe left turn required moving into and fully occupying the middle lane in traffic, typically sprinting at around 30 km/h. Which is about the top legal speed I've seen for pedal assist. This is not an especially comfortable speed in complex traffic, and I didn't enjoy it. I don't think you'd want lots of unskilled people doing this on ebikes, either. With 30 km/h intersections, you want people to be predictable and to strictly follow all traffic laws. And to be honest, casual cyclists do not reliably follow traffic laws.
On steep, empty roads, I've twice hit about 65 km/h on descents on road bikes. I personally found this unnerving without full motorcycle gear, especially when I encountered poor road conditions on a corner. Never again.
So yeah, an electric moped is a whole different game than a class 1 peddle-assist ebike. 30 km/h accidents can be awful, but 50 km/h accidents can easily turn deadly for the unprotected human body.