You're right, and I had that very thought in mind that these are just allegations. And, anyone familiar with the justice system should be cognizant of that by default.
My point is that she's seriously jeopardizing her career and everything she's worked for professionally by bringing these issues to the forefront. Whatever outcome occurs, Kleiner Perkins will still be standing.
That is a big sacrifice for a chance at a "payout" or validating some feminist rhetoric.