All these things operate underground. There are two near identical pairs. But only one of these things is really not like the other. Let’s not forget John Key’s mirror trust that let’s him keep an eye on the investments that are supposed to be held in a blind trust while he’s PM.
Blind trusts for Prime Ministers are sensible requirements because they remove any temptation for insider trading and letting your investment interests influence your political decisionmaking.
They’re not so effective though when your blind trust is mirrored.