Yes, obviously it's speculation, which WebSleuths would pretty much not function without speculation. Also I look at what everyone can see, which anyone can see on StreetView that all that would have to be done is go to the front door and use SS's keys/codes/badges/etc where you would avoid laborers/machinery/etc by going right to the office and avoiding the factory area as there's no reason to walk by the factory area to get to the corporate office section. AIW HQ is basically L-shaped with the offices at the top of the L, meaning only those from certain vantage points on the grounds could even see anyone going to the office entrance. The daylight view which everyone on here can see with their own eyes can count for themselves how many laborers and contractors they see out working at AIW and if any of them could see the office entrance from where they were at. I would encourage people to look for themselves using both StreetView and overhead view of AIW to judge for themselves both the layout as well as the activity:
Google Maps
We are also dealing with perp(s) who did factually swipe surveillance video/defeat the security system and went out of their way to do so and factually DW's van was right by AIW after the murders even though it was 40 miles away from his home and he did factually purchase gloves/backpacks after the murders but before his van ended up by AIW. There's got to be a reason why DW's van was there after getting $40K and the quadruple homicide with his stepmom expressly testifying she had briefly seen his van at her Latham home after the murders until it disappeared without explanation from DW when his stepmom asked...