He's undermined his medical team, and the country's resolve, with his usual consistency.
Basically, he is welcoming the second wave of the pandemic. His motivation is to get reelected, regardless of the consequences to ordinary Americans.
But who knows? The summer may weaken it. The new cure may work. A vaccine may arrive in August. And so on. But to act without evidence is what he did in recommending the chloroquines. Magical thinking.
And if the virus returns during autumn, he'll be punished and deserve it.