Donald Trump’s destabilizing trade tariffs have had a variety of drastic consequences, including discouraging international visitors from coming to the United States. As MSNBC’s Chris Hayes put it, the White House has effectively launched a “war on tourism.”

The question is what the administration intends to do about it. The answer is, not much.

Nearly two weeks ago, for example, Secretary of State Marco Rubio, instead of making clear to the world that the U.S. is open for business and eager to welcome visitors, wrote an online op-ed for Fox News that was unmistakably hostile toward would-be tourists. “Visiting America is not an entitlement,” the nation’s top diplomat wrote. “It is a privilege extended to those who respect our laws and values.”

A welcome mat it was not.

Eleven days later, a reporter reminded Trump about the “steep drop-off” in international travel to the United States and asked the president why he believes fewer people suddenly want to travel to American soil.

“It’s not a big deal,” he replied.

I can appreciate the political motivations behind the Republican’s apparent indifference. After all, if the president acknowledged his role in repelling visitors, he might have to consider solutions that he has no interest in implementing.

But Trump’s rhetoric notwithstanding, there are plenty of reasons to believe the recent shifts are a “big deal.” There’s unambiguous evidence of a sharp decline in travel to the U.S. from practically every part of the planet, and, as NBC News reported, this is likely to cause real economic consequences.

The combination of President Donald Trump’s trade policies and hostile rhetoric toward much of the rest of the world is creating a chill in international travel to the U.S. That shift might have a significant economic impact, with one Wall Street firm projecting U.S. revenue could collapse by as much as $90 billion this year when combined with reduced travel and U.S. product boycotts.

There’s no reason to believe conditions will improve anytime soon, especially given the number of countries — many of which are longtime and traditional allies of the United States — that have issued travel advisories of late, warning of potential difficulties for those considering American visits.

The domestic travel industry undoubtedly wants to see the Trump administration take a smarter approach. Evidently, the president and his team have a different plan in mind.