Pittsburgh is a few years late to the rentable e-scooter fad that’s swept cities like San Francisco, St. Louis, New York, Cleveland, and Washington, D.C. But while e-scooters appeared without warning on many other cities’ streets, e-scooter charging stations were the first sign that a change was coming to Pittsburgh’s transit scene. And just like other cities with rentable e-scooters, there have been some legitimate issues and complaints about illegal parking and concerns about user safety in Pittsburgh.…