what is the definition of Ahl ul Bayt

Khair Mubarak Brother. I am definitely not trying to hoodwink anyone.

I have limited knowledge of Hadith, I will agree to that.

Shia Ahadith - If you read the introduction to AL-Kafi, it says accept what is in light of Quran and reject what is contradictory. This leads us to the following point.

Secondly, God wants us to use our brains.

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YUSUFALI: For the worst of beasts in the sight of Allah are the deaf and the dumb,- those who understand not.
PICKTHAL: Lo! the worst of beasts in Allah’s sight are the deaf, the dumb, who have no sense.
SHAKIR: Surely the vilest of animals, in Allah’s sight, are the deaf, the dumb, who do not understand.

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YUSUFALI: They will further say: “Had we but listened or used our intelligence, we should not (now) be among the Companions of the Blazing Fire!”
PICKTHAL: And they say: Had we been wont to listen or have sense, we had not been among the dwellers in the flames.
SHAKIR: And they shall say: Had we but listened or pondered, we should not have been among the inmates of the burning fire.
Third, Sunnis are not sure if the hadith was to be recorded or not. If it was prohibited to record it or not.

If it wasn’t prohibited to be recorded then why did Abu Bakr prohibit people from transmitting it.

“You are transmitting conflicting hadiths that clash with the sayings of the Prophet. The persons to come after you will be in a worse predicament. Transmit no hadiths from God’s messenger. Speak to those who would like you to transmit hadiths in the following way: “Behold! God’s book is with us, abide by what has been made lawful for you therein and avoid what has been prohibited.”
Bukhari

There was a remarkable increase in the number of hadiths during the caliphate of Omar. Omar desired that all the pages on which were written the hadiths that were in the hands of the public be brought to him. Then he ordered that they be destroyed, saying: “These are like the Mishnah of the Jewish people.”
Ibn Sad- Tabakat

This is in line with what Umar told the Prophet in the incident of Paper and Pen. I dont think I need to quote it again.

So the collection and recording of hadith is the negation of the orders of the two most revered figures of Sunnis.

It is all a bit self contradicting you know.