They weren't sued because there was carcinogens in the chicken, but they were sued because of California's Proposition 65, which stated that if there's anything dangerous in the products then the companies had to give a clear warning.
اونها به دلیل وجود سرطان زاها در مرغشون تحت پیگرد نبودن بلکه دلیلش گزاره ی 65 کالیفرنیا بود که بیان می کرد اگر هر ماده ی خطرناکی در محصولات باشه شرکت ها باید هشدار واضحی بدن