Earlier quoted context omitted.
Seems to me like the real motivation is defending their own agricultural industry. American chicken is cheaper and likely just as good. The health claims are weak, everyone can understand protectionism, but it is often masked behind other claimed goals. The data on salmonella is not super solid, but points to higher levels in the U.S. https://www.bbc.com/news/uk-47440562
The US imported food has been the stuff of jokes in my country for almost 20 years now, even before we entered the EU, and we are an Eastern-European country with all sorts of other problems. Can’t really understand how can many US commenters say that US food is as good and healthy as European food with a straight face.
The chicken that many US commenters see as intact wings and breasts are probably higher quality than the exports (unless they go specifically to a discount store specializing in low quality foods).