"Support" is a bit strong. I don't know enough about existing laws in Queensland to be an authority on the topic. It's more that I can see why this is getting attention and agree that rules - or at least public attitudes around eridables are rightly in a state of flux. Many people see them as harmless, riders fail to wear helmets, drivers think of them as fast pedestrians. Not all of course, but enough that the issue is worth looking at.
I'm not conflating anything. I see all these vehicles (and that's what they are - even the 'kids' eScooters) every day on the roads and paths. They are very popular in Perth - particularly in the CBD. I know that the assorted classes are. While you may not be interested in eScooters, the law covers them all, and so did my comment.
Legal ebikes are no more dangerous than legal analogue bikes. None. Thus, there is no justification for any restrictions being different for ebikes than they are for analogue bikes.
This appears to be your only issue with the proposal. Which in turn sounds like you are seeking an exemption on this one aspect of the law. That doesn't sound like the whole thing needs to be scrapped. I don't think I even disagree with this point. I also think the 10kph limit on shared paths is ludicrous. I run faster than that and I'm no elite athlete.
The other part is that needing a special bike and/or special permission is adding an extra barrier to entry.
This could likely just be a permit issued to the manufacturers. At the end of the day, these bikes are speciality bikes and not really consumer devices. It actually sounds easy to me to implement. I can't name makes/models, let's call them Ford Falcons. "Children under the age of 16 are permitted to ride Ford Falcons". There - solved. Of course, there's probably more than one make/model - but all that aside, they're not being bought by you and I. They're a niche thing.
But the vast majority of the problem is not with inadequate rules, it’s inadequate enforcement.
This I'll readily concede - particularly in the city grid where people flout traffic lights, footpath speed limits and ride in malls. Though I have seen cops pull over eBikes and eScooters, and have been through radar traps (I'm allowed to go 30+ kph, because my legs are my motor) on the bike paths. They're trying. And I recognise that WA Police are not QLD police. I'm pretty sure WA Police can already destroy illegal bikes. At least, I've heard that they intended to destroy one I saw pulled over.