They have rejected it in the past; they have decided instead to uphold conjecture and guesswork.*
وَقَد كَفَروا بِهِ مِن قَبلُ وَيَقذِفونَ بِالغَيبِ مِن مَكانٍ بَعيدٍ
wa qad kafaroo bihee min qablu wa yaqzifoona bilghaibi min makaanin ba’eed
*34:53 People of all religions tend to forsake the word of God and uphold the words of men. The Jews and the Muslims uphold the Mishnah (Hadith) and Gemarrah (Sunna), while the Christians uphold a trinity invented by the Nicene Conference, 325 years after Jesus.