They surely had this in preparation for a long while; artfully crafted and well edited. You couldn't possibly assemble this in a few days.
Fascinating review, including his actions (and inactions) re holocaust, Jewish friends, etc. Neither a polemic nor a whitewash - seemed a pithy, largely first-hand collection of views by those who knew him (then and all along).
(A measure of its 'balance' will be the count of irate letters, from whichever polarity, no doubt.)