Oh indeed. (777 is also 10ft RA).
It's just meant to ensure REV is available straight after touchdown.
Whiz,
I did some homework (talked to a few pilots) and was told that the 777 needs to be on the ground before the reversers will work. Got similar answers from A320 and 767 pilots. Perhaps the 10ft limit is only on the older (727, 737) Boeing designs- lawyers maybe?