That’s without joking exactly what they do. Now if that one millennial voter is a different one in each cohort of participants you get huge swings in the survey that are not very predictive of election outcomes, and that error is poorly represented in the margin of error.
Tariffs tend to make all sides poorer. We benefit from cheap imports, because those imports serve as inputs to our companies. Additionally, tariffs on our side tend to be matched by tariffs on the other sides which will hurt exports. There’s no realistic scenario where a broad tariff benefits the local economy.