Of course it’s filthy. So is your mom. And so is the bougie nature that threatens this thing about which we all need to get a little more protective: Philly’s longstanding beautiful weirdness. We don’t mean to harp on this, but it’s true: For every transplant that comes here with their Rubbermaid tub filled with laptop chargers and Dwell magazines and copies of the PDT Cocktail Book, essential particles of that weirdness are squeezed out. We are speaking of matter and space. There is only so much. And yes, the transplants bring many good things. We are not xenophobes. But this shit needs to be managed.