Personnal attacks 

Please do not make personal attacks on other people. Wikipedia has a policy against personal attacks. In some cases, users who engage in personal attacks may be blocked from editing by admins or banned by the arbitration committee. Comment on content, not on other contributors or people. Please resolve disputes appropriately. Thank you.    Talk 
Wikipedia's de facto policy on personal attacks is that one may make them if one is an administrator (or administrator's pet) and goes about it snarkily.