Earlier quoted context omitted.
I would say if an officer has their camera off in line of duty, and something happens they should be charged with obstruction of justice.
What if they need to go to the bathroom?
OK, the above is slightly tongue in cheek, I know, but this seems like a fairly weak "what if". We're primarily talking about confrontational incidents of conflict where there's issues of trust around accounts of events. The majority of these incidents will hopefully not take place during toilet breaks.