Wouldnt 'they' have evolved 1000 yrs as well? By that time their own current state of evolution would look even less developed given the exponentiality of evolution.
1 Fukushima/30yrs? You remember that places linke Fukushima and chernobyl are contminated for the next couple hundred years, right? Not to mention nuclear fallout, endangered species in those regions, groundwater being poisoned, etc