well yes, but not everyone wants to download 70GB movies, so blu-ray movies are often re-encoded for smaller filesizes (10-20GB 4K HEVC, 5-10GB 1080p H264 AC3 s

well yes, but not everyone wants to download 70GB movies, so blu-ray movies are often re-encoded for smaller filesizes (10-20GB 4K HEVC, 5-10GB 1080p H264 AC3 sound, 1-5GB 1080p HEVC AAC)