In an editorial titled Animal Welfare Cannot Break Down the authors argue that violations of animal welfare standards has to stop (a phrase they repeat many times) immediately because, "it leaves the consuming public with a bad taste in its mouth for dairy, meat and poultry products."
Perhaps, but I think the average person is a bit more sophisticated that this, and will make their decisions based on what they think the average farm looks like, not the unusual farm that happens to get caught doing bad things on tape.
Every day thousands of children are abused in myriad ways by evil parents, friends, family members, and such. Yet we do not prohibit the raising of children for these reasons. We know that if we allow people to have children that some will be abused, just as we know that if we raise animals for food (or keep animals as pets) some will be abused.
But then, these videos may alter what consumers believe to be the "average" farm. The authors acknowledge this when they say, "breakdowns, to consumers now, represent standard operating procedure."