The odd oversight is likely but totally unforgivable. If you make it your business to write (no matter how badly) to every widow/family that have lost a son/daughter then you have to write to every one. with no execeptions.
The Prime Minister has a very large staff to look after him and if you put in all those spin doctors and party hacks as well then simple things like ensuring highly embaressing cock up dont happen when they are so so easy to stop.
Brown has the anti midas touch.. all he touches turns to sh1t.