Obviously not, no need to patronize. Did you read it? It seems to be honest about the numbers but it's pretty skillfully written to reassure.
> honest about the numbers
His books are not public but I would bet my house that the numbers in the letter are carefully chosen to deceive. He reportedly started with 225M and gained 1500% or thereabouts, I.e. 16x. That gets you to 3.6B. But the assets were 45B at their peak. So then we have something like 40B other investment dollars coming in after he got famous. Two thirds of that he proceeded to set on fire. I don't know who would believe he's somehow still "up" YTD and worth leaving their money with. If anything this whole ordeal is an amazing advertisement for Ken Griffin.