These examples aren't comparable. They are all used by individuals within organisations, not by organisations coordinating with other organisations.

And despite that fax lasted for years, I'm sure it's still used.

For bitcoin to be used for corporate settlement you need to coordinate with and get sign off internally and externally, and there are always intransigent people, often at the top, who will block it.

Of course it's probable that Russian corporations today are using bitcoin for corporate settlement, since the sanctions would have provoked an environment for experimentations, but they've probably migrated to the Chinese payment rails since then.