As others said, I think the offer has always been there, but PR has said no thanks.
"Should Puerto Rico be admitted immediately into the Union as a State?"
Yes: 655,505 (52.52%)
No: 592,671 (47.48%)
Again, doesn't matter, as Schumer just last month said no to statehood for Puerto Rico statehood, calling the island corrupt.
Source: https://twitter.com/BonillaJL/status/1362464627356028931
“As others said, I think the offer has always been there, but PR has said no thanks.”
There is good reason why in 120 years the US avoided such a blatantly obvious colonial landgrab.
If this mad adventure kicks off expect a guerrilla insurgency in PR - and later in Hawaii.
The democrats are going to set the world aflame.