Given that Canadian Tourism to the USA is up 14.8% this year...I don't think too many people are worried. (only major source of US visitors to increase...fancy that)

Next up (when they arrive) the stats on the increase of the number of Canadians moving to the USA (instead of the other way around...sorry Cape Breton)\

https://www.nytimes.com/2017/09/19/travel/tourism-united-states-international-decline.html