Well, a huge danger exists in the possibility that a miscreant may hijack a respected member's account and provide an untoward or perhaps a sarcastic or even harmful comment thus damaging the respected member's reputation forever. Or perhaps a terrorist organization may spam the BB with some frightening message upsetting the Volvo comminuty's equilibrium and thus undermining the wider peace of the citizenry of the fruited plain--let's never forget, enemies of the Republic are everywhere and seeking to exploit any and all loopholes!