Yep

There are a few (difficult, but possible) ways to get extra copies despite the limit though, like changing your name

Please don’t give your SSN to health care institutions, they don’t need it. They like to ask for it on their intake forms so that they can find you more easily if they need to send your debt to collections, but most will accept a blank entry anyways.

No, you don’t need to carry it around. Memorizing it and keeping it safe for the few occasions you do need the card itself is fine.

The NLRB ruled that the nature of their work makes them employees of both Cognizant and Google, despite whatever those companies try to classify them as, and that both are required to negotiate with the union. Google is now just flat-out refusing to respect that decision.