You've never seen windows in most high story businesses have you? Most of the time they are completely sealed windows that can't open so no hinges, no swivels no nothing just a pane of glass and the usually metal border they really do look like that. TV.Look at the closest window to you. It has hinges, swivels and is transparent. None of which are present on the LG TV though they could have easily been faked.
Instead, this video is entirely a lie.