This is the million-dollar question. For the average user who only installs Microsoft Office, Chrome, and Spotify— The Windows default uninstaller is fine.
Standard uninstallers are polite. They remove what they installed. A "Killer Uninstaller" is impolite. It removes what the original installer forgot . killer software uninstaller
Not all uninstaller tools are created equal. There are basic uninstallers that essentially act as a shortcut to the Windows Control Panel. These are useless. This is the million-dollar question