In Spain is customary for ISPs to provide routers to their customers. They'll just have to install their custom firmware (which I think they do already) and get

In Spain is customary for ISPs to provide routers to their customers. They'll just have to install their custom firmware (which I think they do already) and get the customer to opt-in (or not opt-out, given recent trends). It's easier to take your customers to opt-in if you're a huge company like Telefónica.