Initially when Napoli wanted to sign Rasmus Hojlund on loan, Napoli didn't include a buy option, and it made Rasmus Hojlund not join Napoli because he wanted a buy option in his loan deal to Napoli. Since Napoli has included a buy option in Rasmus Hojlund's loan deal, I believe the loan deal will be sealed very soon. I don't know why Manchester United wants to loan Rasmus Hojlund to Napoli this season when they could use him as a backup striker for Benjamin Šeško this season.
There's no reason to keep Rasmus Hojlund considering his performance last season, and perhaps Manchester United themselves feel this is the right move. After Sekso's arrival, Amorim also has Joshua Zirkzee, although this player also suffers from a similar loss of goalscoring prowess. It's much better for him to leave Manchester United and allow Rasmus Hojlund to start rebuilding his individual form with Napoli, as we've seen McTominay achieve his best career since joining Napoli. Hopefully, this will be the case for Rasmus Hojlund as well and he can return to top form in playing so that it will make his career shine again..