It is "hidden" and not obvious during the installation process of Windows. Now we know the intent is is malicious.
www.theverge.com

Microsoft gives in and lets you close OneDrive on Windows without explaining yourself
This is Microsoft’s latest annoying addition to Windows.

My Computer
System One
-
- OS
- Windows 11
- Computer type
- Laptop
- Manufacturer/Model
- Lenovo
- Graphics Card(s)
- NVIDA 1650 Ti
- Monitor(s) Displays
- Lenovo C32q-20