In their eagerness to create breakthrough technologies and disruptive platforms, innovators sometimes collide with an established (and perhaps ill-suited) regulatory and policy-making process. In a previous article on e-scooters, we reported that a strategy of "permissionless innovation" enabled app-activated e-scooter startups to gain a precarious foothold in urban mobility markets. However, these startups soon discovered that safety and regulatory issues - including the lack of regulations in most situations - led to controversial relations with cities and citizens. In this article, we cover recent experiences, lessons learned and thoughts on the need for collaborative solutions. For an overview of the e-scooter market and its dynamics, read our article E-Scooters: A Passing Fad or Smart Mobility?