Stealing is stealing is stealing is stealing. Why do teams send advance scouts to games to steal signals early? Why do teams put multiple people on the sidelines to send in signals (in games that aren't against the Patriots too)? Why do teams practice in their indoor practice facilities in beautiful weather? Why dedicate any time whatsoever to stealing signs?
There are a lot of questions that can be asked. You're assuming you know what the Patriots did with that video. You have no proof.
Stealing signals, no matter how it is done, is wrong. Period. If you don't agree that it is wrong, then you have no problem with the Patriots using every method possible to steal signals. Because I guarantee they still do it... every way they can.