From the repository:

The current 25H2 build of Windows 11 and future builds will include increasingly more AI features and components. This script aims to remove ALL of these features to improve user experience, privacy and security.

I recommend running it in Backup mode and creating a system restore point.

other discussions
 

The current 25H2 build of Windows 11 and future builds will include increasingly more AI features and components. This script aims to remove ALL of these features to improve user experience, privacy and security.