No. Some palestinians might have. Same as some americans did. But most were as horrified as we were. Don't forget, they're much more aquainted with terror than most. Seeing that one, huge bastion of security go up in flames shook everyone.
They're only going after people with over 1000 songs traded to their credit (a feat that Kazaa performs for them). Someone passing one or two songs, nobody cares about. 1000+ is getting into the industrial levels, doncha think?