In many places it’s risky to rent your property out. In Seattle for example tenant protections still prevent evictions and the process took months in normal times. As such most folks will just sell instead of rent out
What the article is missing is the unprecedented shortage of rentals. In FL markets, there are doz to 100s of applicants for each listing. People with money in the bank have nowhere to go.
We recently moved after our rental of 10yr was sold; we're paying ~70% more now. New house is 2 counties out from the metro area, about the same sq ft but w/ 2 more bedrooms.