I'm not an expert, but those look to my eyes like data (cable/phone) wires, not power distribution. A crazy rats' nest, but probably not dangerous? I'm curious

I'm not an expert, but those look to my eyes like data (cable/phone) wires, not power distribution. A crazy rats' nest, but probably not dangerous? I'm curious to know how it got to that point. Do they have 3 or 4 competing cable tv services in the neighborhood, all with their own infrastructure?