Trump's proposal that the US could "make a decision in 15 days" allowing businesses to reopen so soon while the epidemic is still raging would be extremely ill advised

Yet, he said it.

Tweet of Trumps 15 day suggestion - bad idea

Basically, as the US is a large country whose people often travel internationally, Trump would be throwing away all the work not only that the US has put into it, also the work that the entire world has put into controlling the coronavirus epidemic.