Yes, the initiative is from the EU for local administrations (so the Ajuntament gets the money for setting it up), though I didn't know there were bandwidth lim

Yes, the initiative is from the EU for local administrations (so the Ajuntament gets the money for setting it up), though I didn't know there were bandwidth limits. I can't speak for every install, but some of them do the tracking based on MAC (since it's the only identifier the network gets), so I guess you could avoid it by randomising your MAC and connecting again.