One result of high populations is avid competition for scarce nesting sites, with breeding pairs augmented by a large number of unpaired "floaters". At the Woodmen Tower site in Omaha, the resident falcon was apparently challenged by an unpaired female, resulting in the injury of one and disappearance of the other. The resident tiercel subsequently "stopped sitting on the nest"—fairly predictable behavior, as his primary role at this point is hunting for the falcon and their eyasses rather than brooding—and the eyasses have been removed.
Some might get depressed at two failed nests, but again, this is a temporary and strictly local setback—and a fairly common occurrence in healthy peregrine populations. Healthy populations is what those of us who worked on peregrine recovery were after in the first place.