Yes, I know that conservative authors and publications have a big axe to grind when they observe big U.S. cities mostly governed by Democrats for decades. Yes, I know NYC and LA, among others, have been written off in the past only to be revived. But . . . this time may be different. (And yes, I know how often that forecast has been wrong in recent times.) Some sample readings, none of which I specifically looked for but that just popped up in my normal reading:
Terribly sad: "Downtown Portland: The Sequel".
California (but presumably LA and SF specifically):
New York City:
And finally, the city formerly known as Minneapolis: