Osama dead

To be a conspiracy it would at least require that the US were talking to - conspiring with - the UK about the timing of the event.

Yes.

This was not my claim. My claim was that the timing of the attack might have been influenced by, amongst other things, due consideration of the risk the operation would create for subsequent major public events being held by the 'allies' of the US.

Yes, you might possibly have a point here.