Although CNN claimed in their shutdown announcement that "Vault was originally launched as a 6-week experiment", CNN had not mentioned that the project was an experiment that was expected to possibly end. As recently as last month, Vault had been teasing upcoming events scheduled around election day in November, and encouraging users to buy more Vault NFTs to access the upcoming drops.
As an apparent attempt to placate angry users worried that the value of their NFTs might drop, CNN promised to return "either FLOW tokens or stablecoins" for "roughly 20% of the original mint price". However, the project is built on the Flow blockchain, where users can only withdraw stablecoins $10 at a time — and with a $4 fee on each withdrawal. Some angry users in the project's Discord channel threatened legal action, claiming that CNN had rug pulled.