Go your hardest j-mo. You think anybody would be stupid enough to have a few drinks then call in sick, especially when there's more than likely a few managers at said drinks? If there were drinks?
There will be the typical ASA witch hunt, all in the name of saving face with the airlines, at which there will be found to be no hi-jinks, ASA making a fool of themselves, yet again. Look a little harder folks, do you ever wonder what 'operational requirement' is a euphemism for? Could it be 'staff shortage'? Nooooo, ASA would never use weasel dick words would it?