No, they can just close their blinds. Why lose your fun when you're doing nothing wrong? Not to mention, them closing the blinds makes it better as it removes the light.

Put your binoculars on Pleiades, your mind will be blown. Trivia note, that constellation is what the Subaru hood ornament is based on. Not sure if you know, but Google Sky Map is quite handy for identifying and even finding objects in the sky.