[WastedCucumber]

I think the point is that private owners might run into the same issue of needing to cross private land to get to their private parcel.

[aetherson]

I understood the situation here to be that the same private owner owned all of the private squares in this particular area. I would assume that most private owners won't be interested in buying squares deep in the checkerboard for access reasons.

[rtkwe]

There are also public roads cutting through fairly regularly in these areas.