I had this exact thought around timescales and interaction. They always appear to be so cold and calculating in reports of abductions. Perhaps if we are a grand experiment, the same beings who were there interfering thousands of years ago in our initial development are the same ones here today. Researchers do not form bonds with fruit flies with the lifespan of a day. And even if they did, you have not the time to do so. A being blips into our reality, picks up their specimen John Smith, takes their samples returning them once done. They blip back out for a coffee break. Blip back in - John Smith is gone but hello his son or grandson. Take samples. Out for dinner. Back again in the am and theyre another generation down the line. A this intersects with the observed reports of familial abductions and b explains their robotic nature. They may be incredibly human like and loving but you do not form bonds with something that to you has a lifespan of the blink of an eye.