Everyone knows film festivals ought to be lawless temporary autonomous zones, because if a guy can get get arrested at one for raping a child and then skipping bail to avoid prosecution for it, that's obviously a slippery slope leading toward very bad things like unfriendliness between Americans and the French.
If you love film, don't look at the list of signatories, as it will only depress you. (Speaking of which: Tilda? You signed this f%ing thing? You are no longer my Imaginary Girlfriend.)