It allows users to watch content on EmuNAND or SysNand configurations without risking a connection to official servers that could lead to a ban. Why Use a Patched Version?

The Ultimate Guide to YouTube Patched NSPs for Nintendo Switch

The primary reason to use a patched NSP is functionality on a modified console. Standard YouTube apps will often present error codes like 2-arvha-0000 or simply refuse to load if they cannot verify your account via the Nintendo Network. Key Benefits:

A YouTube Patched NSP is a modified version of the official YouTube application package. The "patch" typically removes the requirement for the app to "phone home" to Nintendo's servers before launching.