Here. The fact that the Parliament of a Brand-X Eastern European nation reckons it worth spending its time wondering how to regulate e-scooters tells you something about the spread of e-scooters just now. And that something is: E-scooters are spreading just now.
The e-scooter has already been designed. It looks like this. No need for any more clever variations, which actually aren’t. The standard design just needs a year or two of incremental improvement, and a thinning out of all the losers so that choosing one gets easy for normal people.