A private organization (central bank) having a monopoly on printing and lending money to your government is acting "legitimately"?
Many that have studied this system would disagree.
Many that have studied this system would disagree.
Most income taxes collected in the US/UK go directly to these private organizations.
In many ways slavery in the US was 'abolished' in 1865 then a revised version (aka perpetual debt slavery) was adopted in 1913 at the tail end of the US-China opium trade induced economic boom and expanded by both parties in the decades that followed.