Magna Carta's use is limited
Non-lawyers tend to invest in Magna Carta with more weight than it carries. Some seem to think that Magna Carta can be used as a restraint on the supremacy of Parliament, but it can not. The power of Parliament to legislate as it deems good dates from the Bill of Rights 1689.
Judges do not enforce Magna Carta today because its terms are too broad. It is still cited in the courts of the UK, but as little more than a historical flourish.
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