It could be that what can turn e-scooters from an amenity to a menace is tourism.
Malmö would hardly be on the map as an international touristic destination. This means that e-scooter users are mostly locals. Which in turns means (a) that e-scooters would typically be a complementary mean of personal mobility, (b) there will be relatively few e-scooters.
Paris OTOH, is #1 city tourist destination in the world. It also happens to have a lot of car traffic. This (a) makes moving with an e-scooter convenient, (b) makes deploying a huge number of e-scooters for-rent a very lucrative business, (c) the number of e-scooters is inflated to cater to the tourist clientele. Add to this that many tourists may be unfamiliar with Parisian traffic and norms, and you have a recipe for disaster.