It's mostly a joke. We can't even get ecological clearance to build medium density housing in most of the area, let alone blow up a couple mountains. What can

It's mostly a joke. We can't even get ecological clearance to build medium density housing in most of the area, let alone blow up a couple mountains. What can happen is slow encroachment into the bay from the sides. It's already happened over many years (and dredging is continuous). And it wouldn't look like a megapolis, more like Venice meets Santa Clarita