Well, I remember a few young muslim immigrants playing football with the flowers we put at the WW2 monukment to honour the dead, and I remember how furious I was. Sure it are just flowers, they grow everywhere, but the insult is much much more. You cannot just flush someones most fundamental believes through the toilet, it is basicly saying 'you are nothing'. How would you feel if someone used your mothers fotoalbum as toilet paper?