Washing hands of responsibility

Needing the toilet whilst in the European Parliament, a reader found a comfort station by PHS 7G20. His eyes focused on a prominent notice over the urinals that said:

PLEASE FLUSH THE TOILET AFTER USE

MERCI DE PROCEDER AU RINCAGE DE L’URINOIR APRES UTILISATION“

Under which, some wag had written:

“Why? I’ve got an assistant for that.”