Earlier quoted context omitted.
> Can each of said parents have a conference call with their buddies to watch and discuss the game? Is there a limit on the size of the tv? Can I mount a 10x5 monitor setup so people across the street can see as well? Can I project it on that publicity board? Can I twitch my reaction to the game? Can I stream the screen? Oops. In the US, it is a violation of copyright law, if "people across the street can see it..."…
So not having curtains can be illegal. Note to self: don't let security cameras or baby cameras record the inside of any books I am reading, when in the US.
This may not be a perfect system but it's still better than having the law rewritten for ever conceivable edge case scenario that random folk can dream up.