Pretty accurate, but the designer overlooked one small design detail: all of the posters use the same crumpled paper background image. That's sloppy and lazy.
Quite - I was also disappointed in her grammar. Anyone who did paid work for me and came back with something containing "just because... doesn't mean" would not get a second contract.
Depends on whether you hired the person to be a designer or a copywriter. But for such a short bit of copy I get your point.