In the Harry Potter and the Methods of Rationality fanfic (https://hpmor.com/) Voldemort puts a horcrux on Pioneer.
I had the same problem with lemmy.world. Turns out I just had to click the link in the confirmation email which ended up in my spam. After that logging in works fine.
School Zone speed is 15km/h (9mph) in the Netherlands, which is totally reasonable considering all the kids that can and will run on the street. You can usually just avoid those streets and most 30km/h streets (standard speed in neighborhoods).