I've never paid attention to what scraper is selected. I don't see a way to select NO scraper. All I know is, ViMM gets everything for me and XBMC uses it without going online. Seems to work great!
LibreELEC 10.0.4 * ViMediaManager or TinyMediaManager | Raspberry pi 4b
Sharing media from NAS via NFS (optical out to receiver, HDMI to TV) | TV remote with CEC / Bluetooth keyboard