I am skeptical that this is due to any positives on the NYC side, but more a story of the Bay Area's decline.
Of the 796 US cities with 50k+ population, San Francisco ranks 796/796 in population growth % over the last 2 years (-7.5%) while NYC ranks 793/796 (-5.3%).
https://www.census.gov/data/tables/time-series/demo/popest/2...