If you want to build just for the points, you are pretty much free to build wherever you want... unless some people do create a consensus.
I would caution that in building there, you will have to be very diligent. I believe it only takes the army invading the square once, and all building progress is lost!
In the last 3 or 4 months, I have seen monsters 1 square away from that square a few times, and I'm not even online that much. So I wouldn't feel very safe building there myself, if I wanted a completed building.
