Complex sentence: Consumers have also expressed disappointment at the fact that, although advertised as being "restored and remastered", none of the cartoons on the first volume are restored as the original film negatives for all shorts made pre- 1951 were lost in the 1967 MGM Vault fire.
Split into simpler sentences: Consumers have also expressed disappointment at the fact that, although advertised as being "restored and remastered", none of the cartoons on the first volume are restored. The original film negatives for all shorts made pre- 1951 were lost in the 1967 MGM Vault fire.