Every year the U.S. trade representative puts out a report about the global trade irritants around the world. In their most recent report, they very specifically pointed to Canada's plastic waste agenda as something that was a trade irritant.
You may or may not know that the current CUSMA has a chapter that's dedicated to plastic management and plastic waste. It's certainly something the United States has mentioned. They've gone so far as to say, “proposed reductions in food packaging and packaging compostability requirements could compromise food safety, increase food loss and waste, and restrict U.S. agricultural exports.”
Yes, they have identified this as a trade irritant.