question #1 Sahih Muslim 224b, Book 2, Hadith 3 : What is the significance of having a consistent chain of transmitters in the authentication of hadiths?

A hadith like this is narrated from the Apostle (ﷺ) with the same chain of transmitters by Muhammad b. Muthanna, Ibn Bashshar, Muhammad b. Ja’far, Shu’ba.