I certainly don't see anything wrong with it.
You are in Nordic country N, and your filings show your income of $X (a high number). Your relatives A,B,C live in country R, which features large amount of mobsters. Said mobsters learn of the value of X via N's public info system, and make lives of A,B,C uncomfortable or dangerous or downright kidnap them to receive a chunk of $X. And no, A,B,C cannot always move for a variety of reasons.
However, a nation really only owes loyalty to its people. You can't stop an otherwise positive because some people might get hurt. We'd get nothing done in that case.
As it turns out this man was a liar, confidence man, and tax cheat. Had there been open tax records, I could have (in)validated some of his claims and saved myself severals years of struggle and many thousands in subsequent debt.
It's not just for criminals to leverage. It's for the common man to use to reduce information asymmetry and, this one might be a bit dystopian, but help self-police that everyone pays their share.