They continue to expect reasonable people to ignore the laws of physics. In this case the "Law of Equilibrium" is being violated. How can the earth experience different levels of ocean rise? I don't buy it.
“Local factors such as land subsidence are primarily responsible for the differences.”
This last sentence basically says that the sinking of coastal land is happening at different rates. I think someone told the global warming crowd that nobody believes the sea level is rising more in Venice Italy than in other parts of the world because it defies logic; when I fill my tub the end by the spigot doesn’t fill before the other end.