"unavailability of certain information that may materially affect the disclosure to be contained in the Report."
That "certain information" would be the Truth, which has always been unavailable to Tien and his cronies.
Lies, however, are always readily available at the tip of his tomgue or his pen.
"It is difficult to get a man to understand something, when his salary depends upon his not understanding it."
Upton Sinclair
"Nobody ever went broke underestimating the intelligence of the American public."
H. L. Mencken