Gavi is still young so his chances of recovering quickly are still big, if his ACL injury won't stop his football career, right now I see that Barcelona still has enough competent strikers, even if they want to buy new players then the players have to be the same age with Gavi's age (for Barcelona's long-term investment), Barcelona still has the opportunity to threaten other big teams competing in the UCL.
Many people support Gavi regardless of his condition and hope that Gavi can recover quickly from his serious injury. His injury certainly made him feel depressed and devastated, he certainly imagined that his absence for several months would have an impact on Barcelona, on his abilities and his career. However, there is a lot of support for him so that he remains optimistic and carries out the healing process well so that he can recover optimally.
Not only Barcelona, but several other big clubs also experienced many bad things related to injuries to their players. This certainly has a big influence on the selection of other squads, such as Real Madrid, where several of their main players also had to take a break due to injuries after playing for their national team. Moreover if we are seeing in Newcastle, omg, it's really serious. I don't know why so many players get injured while defending their national team. It would be quite a bad moment and it would be worrying if every time there was a match there would be key players injured.