There is sponsorship and then there is instituting a ban on selling chips and using personal wifi.
One does not need to follow from the other.
This level of exclusivity is not something that should even be on the table to purchase, as aspects of daily life such as the choice of food in London and the permission for people who live there to use their own legal devices for the purpose for which they were designed, is not the government's property to sell unless we regard ourselves as nothing better than serfs.