It is at the top of the story. It isn't the very first sentence, but just eyeballing my scrollbar it's about 5% of the way in and before the meat of the reporting.
I'm not a journalist, by my understanding is that journalism uses an inverted pyramid rhetorical structure. You put the gist of the article first so people can quickly judge if they want to continue reading. Then you have the details. The disclaimer is after the condensed intro and immediately before this sentence, which begins their detailed reporting: "This account is based on interviews with more than 20 current and former Blue Origin employees and industry officials with close ties to the firm, who spoke on the condition of anonymity for fear of reprisal."
I'm not a journalist, by my understanding is that journalism uses an inverted pyramid rhetorical structure. You put the gist of the article first so people can quickly judge if they want to continue reading. Then you have the details. The disclaimer is after the condensed intro and immediately before this sentence, which begins their detailed reporting: "This account is based on interviews with more than 20 current and former Blue Origin employees and industry officials with close ties to the firm, who spoke on the condition of anonymity for fear of reprisal."