Re `=use_sidepath`, that is my negligence, and I will review it again.

Re `access=customers`, respectably disagree. imo `access=customers` implies there is some sort of (human) guard that prevents you from getting into the area (e.g. Shing Mun Tunnel BBI, the exit to Shing Mun Road is there but is guarded). Shing Mun Tunnel BBI should use `access=customers`, I agree with that. But here, and at several other BBIs, outsiders cannot enter the area not because there are any (human) guards, but because it is simply physically impossible to do so. There are no guards.

The network really is free-hanging, as correctly warned by the iD editor. Having `access=customers` here would then be an unusual kind of "consequential mapping", and should not be done.

I see no problems here.