That’s true. Disabling SWIFT codes also implies preparations by individual member banks for the consequences of significant transactions to and from those banks being indefinitely delayed or frozen. But again, this has been discussed for weeks if not months, so no sympathy for the “who could have predicted this?” banking geniuses.
In any case (crossposting):
On the political front, I should add that even a scumbag like Orban has chosen to side against his fellow fascist Putin.