Deranged phishing spam

Just received this piece of garbage from someone ostensibly in Iran - why do they even bother?

From:* Rt Hon David Cameron MP <morshedi@nigeb.ac.ir>
*To:* undisclosed-recipients:;
*Date:* Tue, 27 Sep 2011 15:27:05 +0330 (IRST)

PRIME MINISTER'S OFFICE
TREASURY AND MINISTER FOR THE CIVIL SERVICE,
LONDON, UNITED KINGDOM.

Our ref: MasterCard/5404/FCO
Your ref:...Date: 27/09/2011

IMMEDIATE PAYMENT NOTIFICATION

I am The Rt Hon David Cameron MP,Prime Minister, First Lord of the Treasury and Minister for the Civil Service British Government. This letter is to officially inform you that (MasterCard Number 5404 xxxx xxxx xxxx) has been accredited with your favor. Your Personal Identification Number is 7121.The MasterCard Value is £2,000,000.00 GBP (Two Million, Great British Pounds Sterling).

This office will send to you an MasterCard that you will use to withdraw your funds in any ATM MACHINE CENTER or MasterCard outlet in the world with a maximum of £5000 GBP daily.Further more,You will be required to re-confirm the following information to enable;The Rt Hon William Hague MP First Secretary of State for British Foreign & Commonwealth Office (FCO). begin in processing of your MasterCard.

(1)Full names: (2)Address: (3)Country: (4)Nationality: (5)Phone #: (6)Age:(7)Occupation: (8) Post Codes

Rt Hon William Hague MP.Secretary of British Foreign & Commonwealth Office (FCO)
Email; bfcaffair@msn.com
Tel: Tel: +(obscured to prevent anyone calling it)

TAKE NOTICE: That you are warned to stop further communications with any other person(s) or office(s) different from the staff of the State for Foreign and Commonwealth Affairs to avoid hitches in receiving your payment.

Regards,

Rt Hon David Cameron MP
British Prime Minister