Basically because of two key points: AUR and Arch Wiki
AUR is the Arch User Repository, basically, any software that you may need was already created and it's maintained by another user.
Arch Wiki: Probably the most complete wiki on Linux on the internet. It has a subject for all sorts of problems that you may face, extremely detailed and very well maintained.
Arch Linux .
Basically because of two key points: AUR and Arch Wiki
AUR is the Arch User Repository, basically, any software that you may need was already created and it's maintained by another user.
Arch Wiki: Probably the most complete wiki on Linux on the internet. It has a subject for all sorts of problems that you may face, extremely detailed and very well maintained.
Arch wiki is just insanely useful. Even if not using Arch, it is still valuable.