Originally Posted by Adam Smith

Do you know something the rest of us don't know, or is that a guess?

There's no discussion on the benefits page about that benefit disappearing when the accumulation change happens, so it would be pretty crappy if they didn't replace it with something substantially similar - those of us who selected it would be screwed out of half a year, or a third of a year, or whatever, of a benefit, when we could have chosen something else.