Board Thread:Episode Discussions/@comment-1512913-20180705132520/@comment-30323490-20180707084853

Alpharex1 wrote: The episode showed us that naruto is still dense and inexperienced enough to actually almost start using ninjutsu on momoshiki. Naruto became hokage because he was a hero but he really lacks the mentality. All thanks yo his childhood though not his fault

Naruto wasn`t around when Momoshiki absorbed Boruto`s ninjutsu. So he didn`t know about Momoshiki`s ability of absorption + releasing a more amped version of the jutsu.