I agree what Robbie Wilson said back in 2005 -" the point is that it is a song whch instructs you to begin agin, so you do.” James Joyce suggested infinity with his title Finnegan's Wake . What Guest said in 2018 about the repetition being an aid to memory is right as well imo . Musicians kept it in their heads to keep a rhythm going over and over again.

(Je suspect le motivation de 2006 visiteur de Paris , France .Il est possiblement un impostor)