I just discovered this amazing app! It lets you remove (or just disable) preinstalled apps like Facebook, Netflix, etc. and system apps like samsung knox apps, diagnostic, bixby, and even One UI (but you must have installed other launcher). You can’t brick your device, worst case it falls into a boot loop and after 5 reboots it will factory reset.
Debloating your device will make it faster, more private and more secure (less atack surface).
Ofc. “Uninstalling” say the Facebook shitware that’s included in Samsungs from the user account prevents them from running. The apps are still very much in the system partition, but the user account will never run it because to the account it’s “uninstalled”.