Since his "sexual assault" allegations were, in essence, an orchestrated smear campaign to discredit him and by extension Wikileaks, and the health of the former depends on the latter, I see absolutely no problem here.
By Saturday morning, 21 August, journalists were asking Assange for a reaction. At 9.15am, he tweeted: "We were warned to expect 'dirty tricks'. Now we have the first one." The following day, he tweeted: "Reminder: US intelligence planned to destroy WikiLeaks as far back as 2008."
Why do you?