It is only a problem when somebody (state/corp) has the advantage.
Those with the recordings and with the ability to use them, have the power.
That can be a government with cctv, or a business with cameras on the doors, windows, tellers, and product aisles. Or it can be a cell phone camera capturing a police shooting, or even google glass capturing a crime on the street or an abusive patron.
When the 'little people' have and use recordings it can be leveraged for many things, including social changes for better or worse, such as social pressure after injustice is found, or social pressure to keep your head down and mouth shut.
Ubiquitous cameras can mean a police state, they can also mean when an individual has been abused by government or officers there are plenty of cameras to tell the story from many viewpoints. It can be used to identify triggers, and assign blame, and ensure justice, and to correct policies.
The tricky thing is those same two details: Who has the recordings? What are they able to do with them?