Why should a person who disbelieves after becoming Muslim be executed?

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Check below answers in case you are looking for other related questions:
What is the ruling on one who was born to Muslim parents then apostatised before or after reaching puberty?
His brain-damaged sister died – what will her fate be?

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Related Answers:
The fact that the Prophet (blessings and peace of Allah be upon him) pardoned ‘Abdullah ibn Abi Sarh does not mean that the hadd punishment for apostasy was waived
Will children who die young go to Paradise or Hell?
He became Muslim then he left Islam
What is the ruling on one who was born to Muslim parents then apostatised before or after reaching puberty?
His brain-damaged sister died – what will her fate be?

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