“Whose unbroken Mesora are you referring to? Sfardim? Yemenites? You also ignore the Chassidim, who threw away centuries of Minhagim and Nusach?”
What unbroken mesorah promotes kollel for everyone? The only time in the history of the Jewish people that everyone was studying torah full time was the dor hamdibar, who according to Rabbi Akiva forfeited their share in olam haba.