Why do some of the scholars disallow tawassul by virtue of the status of the Prophet (blessings and peace of Allah be upon him)?

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Check below answers in case you are looking for other related questions:
 Ruling on asking of Allaah by virtue of the status of the righteous before Him
The hadeeth about the blind man and his seeking for his need to be met by virtue of the Messenger (blessings and peace of Allah be upon him)

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Related Answers:
Kinds of Tawassul
The hadeeth about Adam’s tawassul by the Prophet, and the meaning of the verse “And seek the means of approach to Him”
Tawassul: Islamic vs. bid'ah
 Ruling on asking of Allaah by virtue of the status of the righteous before Him
The hadeeth about the blind man and his seeking for his need to be met by virtue of the Messenger (blessings and peace of Allah be upon him)

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