It has taken the idiot Trump 5 months to conclude that wearing a mask, practicing thing social distancing, and washing one's hands is essential advice -- with all sorts of weird and stupid statements along the way. That is neither stable behavior, not a sign of genius.
He hasn't made that conclusion. He is simply spewing lip service to what he thinks the 'voters' want to hear. He is losing REPUBLICAN votes due to his complete fucking failure of a pandemic response. He's simply trying to get some of them back in his crazy corner.
Pity all these voters that were the children that were left behind.