It's how they are used, not the taken part - they are taken according to law, thus consent.

Though, money printing (i.e, inflation or borrowing money from the FED) basically seems to happen without consent.

> It's how they are used, not the taken part - they are taken according to law, thus consent

They're also used according to law. That's why there's sometimes talk of a "government shutdown" in the US: it happens when Congress is close to their deadline to write/pass the budget law.