We are talking about individuals here. People are absolutely capable of not drinking Coke because they want to avoid American products.
Virtually one will stop buying Coke. Virtually no one will stop wanting an iPhone. So on and so forth. They will gladly criticize the US while continuing to indulge in the biggest brand names.
Today, yes. Once US troops start forcefully occupying European territory, eh...
Jim Beam (the bourbon distillery) said before Trump 10% of their sales were to Canada, and that has gone to nearly zero.