Well, it makes as much sense as some black politicians being against marriage equality but not remembering that slaves couldn't legally marry, or the huge funds spent by the LDS (Mormon) church to strike down same-gender marriage in California, even though Utah outlawing polygamy was necessary before it could be admitted to the union. In other words--it kind of makes a lot of sense, because it's perfectly in line with other groups also not remembering where they came from and what their forebears experienced. A very convenient form of amnesia that is practically required in these situations.