Turbo-roundabouts aren't really urban infrastructure though, nor are they are one size fits all solution to traffic.

They take significantly more space than an intersection would, and are generally used to improve traffic flow for cars, not bikes. Even in the Netherlands they are generally only used outside of cities on main routes for cars, with segregated bike infrastructure to keep cyclists out of the roundabout.

It's car infrastructure, not bike infrastructure.

Edit: I also feel the need to point out that this intersection is not reinventing any wheels.
Protected intersections for cyclists like this are common all over the Netherlands, and are a proven piece of infrastructure when used in the appropriate way.