“2. The identification as a student of RYBP is wrong and he was really the talmid of a later tanna. “
Your saying that the gemara is wrong and some sheygitz “historian” is right? And this post was allowed up?
The gemara says oso haish was a talmid of rav yehoshua ben perachya — end of story! No wonder you consider yurself an apikorus heretic. You are one for even thinking that the gemara is wrong.