He's being appropriate because advisers finally got through to him (as Dr. Fauci put it, 'argued strongly'😉 this essential message: Mr President, Americans are dying. If you phuck this up, kiss your second term goodbye."
And Trump desperately needs that second term to keep the investigative wolves at bay.
However, to give credit where credit is due, this is the longest he's ever been 'appropriate', ie, looking like a child being forced to eat his vegetables.