You'd think so, but no. Instead, his personal ratings will go up two points or something.
Because 'murica.
All Presidents’ rating have gone up in times of crisis. Rally around the flag effect.
But his has been smaller than in the recent past
https://www.npr.org/2020/03/27/8220...h-but-a-rally-around-the-flag-effect-is-small
According to data from the Gallup Presidential Job Approval Center, George W. Bush after 9/11 and before the Iraq War, George H.W. Bush before the Gulf War, Ronald Reagan during the Grenada military action and the Marine barracks bombing in Lebanon, and Jimmy Carter at the outset of the Iran hostage crisis all saw much bigger rally-around-the flag approval bounces than either Trump (so far) or Obama.