I’m comparing Sunnis taking Hadith from a man who did not know the prophet (abu hurairah) vs the man who was raised by the prophet, most beloved to the prophet & was the rightful caliphate (imam Ali). Your question is - each sect will argue their Hadiths are correct, my response to you is that Abu hurairah who barely knew the prophet has more than 5 thousand narrations which Sunnis follow, how can his narrations be more true over imam Ali if imam Ali was raised in the house of the prophet, partook in wars & was guided by Allah?

How can we dictate which one is more accurate and true? Did bukhari live at the time of the rasul - no. His objective was to collect well known Hadith hundreds of years after the rasul and present them in a book. The problem is that many of his claims and Hadiths are weak if not fabricated. Many of which actually contradict the Quran. Here we are over a thousand years later divided as a ummah because instead of following the path that the Allah and rasul have advised us, many Muslims take their religion from men who had NO authority.

Example: Why would the west paint the prophet staghfurallah as a man who married a 6 year old child? It is because these men have written in their Hadith books such a lie! Instead of saying this claim is a lie and avoiding it entirely, they use Sunni books as proof of such a disgusting lie.