There was the example of the company that saw the BBC article and was scared into compliance. Perhaps if he keeps up the approach of keeping the shaming events

There was the example of the company that saw the BBC article and was scared into compliance. Perhaps if he keeps up the approach of keeping the shaming events rare and brutal, it can be enough of a psychological effect to corral other companies into compliance until there are only a few cases remaining, at which point you could just go after them individually without creating a news burnout.