Different legal opinions and Samsung being more risk-averse I guess? However reading the article about SONY (https://www.xda-developers.com/sony-xperia-android

Different legal opinions and Samsung being more risk-averse I guess? However reading the article about SONY (https://www.xda-developers.com/sony-xperia-android-pie-unlock-bootloader-drm-fix-camera/ https://www.xda-developers.com/sony-xperia-android-pie-unloc...), DRM keys seems to be a more likely cause...