I've observed elsewhere that the reason this is different is also the reason they couldn't use footage from "Hated In The Nation" (the Black Mirror episode you're thinking of)

Hated In The Nation hypothesises that a lone nutter repurposes existing non-lethal technology to kill people. No explosives, just drill your way into the brain through the ear because the robots are replacements for flying insects.

A law saying "Don't make killer robots" is useless in the Black Mirror scenario, nobody made killer robots except the lone nutjob they're already hunting for murder. So for this campaign it's an unhelpful message, it suggests their campaign would be futile.