Using of sockpuppet simply signifies 2 points.
1. They think that broken part of trust system might be used against them.
2. Their main account has no credibility left and even a "Brand New" accounts look more credible then their main account.
I think it's
3. Trolling.
All those sockpuppets provided exactly zero (0) facts or other tangible details as to what the actual problems are, if any. Just some generic rants.