It basically keeps you from holding on to any past statements ( eg. past pr statements ), and makes you concentrate specifically and only on (BZTG) current pr's for review.
Then, the current prs are proven false and misleading, if not outright lies and become past statements, which you should not hold onto, but instead wait for current prs to come out that will prove to also be false and misleading.
And so on and so on and ......
Yes. We've been through that merry-go-round. When does this ride end?