Your municipal ISP is buying upstream connectivity from someone. You're lucky that your local government is competent enough to run an ISP and keep it secure and reliable. At least we assume they are, maybe they've just been lucky till now. If that works for your town, go for it. In many places, though, that would be a tall ask
As to the wholesale network being GPON, there's always a point at which the network goes from a shared medium to a dedicated strand to the house. Wherever the PON splitter is, multiple splitters could be co-located, or, direct connections to be patched into for ISPs that don't want to use GPON. A dedicated connection is another place competition could exist, for example
As to the wholesale network being GPON, there's always a point at which the network goes from a shared medium to a dedicated strand to the house. Wherever the PON splitter is, multiple splitters could be co-located, or, direct connections to be patched into for ISPs that don't want to use GPON. A dedicated connection is another place competition could exist, for example