ATC Watcher
Without wishing to be at all disrespectful your post re the mission of QRA in Europe would suggest to me that you do not really understand the "big picture". In a similar vein, I would not want to give the idea that these "lost comms" are few and far between. In my experience, there are several per day, ranging from a couple of minutes to several hundred miles (sorry to mix my measurements here - but you get the picture). Clearly, no one is going to get too excited if the only issue is as aircraft out of comms for a few (very) minutes but there are a number of other factors - all of which contribute to the "big picture" - and most of which ATC will not be aware of.