these are the "effects of red"
red can mean a lot of things, it depends on the social message.
red in food marketing sense is to make people hungry
and in this case, red is to make people feel concerned, more aware and more likely to take action, as a sign of 'warning'
aside all of this, though. i don't see how the techniques used in a poster would serve any kind of harm, rather spreading awareness of
that this is a problemotherwise im definitely missing out something here.