See, you educated yourself! I only wanted to point you to official documentation with the hope you get in the habit of starting there (with any tech). Ask a hundred people and probably get a hundred differing answers. Look at Stack Overflow and sites like that where there’s always multiple answers. Thankfully there’s usually one with a green tick that is likely the best answer. Anyway, you now have it in a nutshell - No data to recover = The point of using Tails (without persistence). There’s no such thing as permanent total online anonymity.
January 1 - This is just the emotionally charged distraction. Keep watchful for the event that needs to go under the radar. A change in laws or policy, a new war, or anything that is meant to erode people’s privacy, security or freedom. The US has a history of implementing undesirable changes during holiday periods when there’s little opposition. Possibly something like this;
https://act.eff.org/action/tell-congress-they-must-defeat-hpsci-s-horrific-surveillance-bill