Far be it for me to defend the art world here, I'm a good writer but can barely draw stick figures but...
I don't think damaging a Picasso in ANY way would count as art... I mean, granted I couldn't really read into the painting too much, I've not the training, but it's a Picaso, significant to art and humanities...
And if someone used a First Folio of a Shakespeare Play as toilet paper I'd be outraged (and suggest they be executed in a Shakespearean manner- stabbed, eaten alive, cooked alive, limbs chopped off and bled to death, drowned, smothered, poisoned, stabbed by a poisoned rapier- take your pick.) ;)