The filters are only as good as they have to be. If the filters didn't work at all, nobody would pay for them. If the filters showed adult content intermixed

The filters are only as good as they have to be. If the filters didn't work at all, nobody would pay for them. If the filters showed adult content intermixed with children's content, that would be a problem. Intermixing Blender with "Will it Blend" videos likely isn't a problem, but if it was integral to the platform and really bad, it could drive the Blender community away.