I doubt there is a country on Earth with which we trade, which doesn't have practices with which we disagree.
Singling out chlorination of chicken is no better than Red Top reporting, in that respect. IMHO.
Chlorinated chicken is just a tabloid headline.
But it has a significant meaning. Animal welfare standards are much lower in the US. We should not be entering into a trade deal where that is the case.
I thought brexit was all about taking back control. If that is the case, the UK should be telling the US if they want to trade with us, they will have to raise their standards.