It all depends on Rashford's performance during the loan period, the hype seen on social media is a form of joy from Barcelona fans who finally saw their favorite team make a transfer that they think is quite good but apart from that I think that the Barcelona team squad is quite capable in all lines and Rashford's arrival is only to maintain performance if there is a rotation of players and I think that is quite possible because Rashford does have good individual qualities.
In modern times i have to say that this is the only real innovation that i have appreciated, loans.
As a team i can afford the luxury of buying a raw talent, lending him out by taking money and letting him play and train.
As a result, small teams that cannot afford the expense have good players.
Returning to Rashford let's see how it goes