I was going to phrase my comment slightly differently but I think to make a similar point: all this post does is claim that we have subjective uncertainty about the past just as we do about the future, not that we need make any claims about determinism.
I was going to phrase my comment slightly differently but I think to make a similar point: all this post does is claim that we have subjective uncertainty about the past just as we do about the future, not that we need make any claims about determinism.