The post discusses the methods and challenges of fentanyl smuggling into the US, emphasizing that the issue is not merely about border security but also involves significant corruption, domestic trafficking, and the need for a reconsideration of the war on drugs. Comments suggest that legalizing opioids may help reduce problems related to trafficking, and they argue for treating addiction as a health issue rather than a criminal one. Discussions also highlight that the majority of fentanyl seizures involve American citizens crossing the border and that there are systemic issues in how drug trafficking is enforced in the US.