Trump aside, the US hasn't been good stewards of their tourism in major cities. Las Vegas is bent on pricing itself out of reach and New Orleans apparently hasn't been the same since Katrina.
I take your point, but I believe the U.S. brand has historically shown a strong ability to weather the types of challenges you mentioned. I’m actually quite optimistic that it can bounce back at least partially to its former standing relatively quickly once the current unrest subsides. Additionally, speaking as someone from outside North America, I find the unique appeal of New England to be a major draw also