Earlier quoted context omitted.
Where did she make demand coupled with threats? In her own words, she announced that she'd like to discuss an end date for her employment if she wouldn't be given the chance to fix the paper up for publication. This would very much fly in Germany. Her other email to the public list telling people to stop doing what they are doing might not, but then in Germany you'd have the Betriebsrat and the union stepping in and…
Q: >Where did she make demand coupled with threats? A: >she announced that she'd like to discuss an end date for her employment [editor: threat] if she wouldn't be given the chance to fix the paper up for publication [editor: demand]. "I you don't do as I want, I will leave." "Fine, you can leave". I can't imagine any company that would, or could, react in any other way in this situation. The Betriebsrat would have a…
Also, as far as I know for a "einseitige Freistellung" (one sided decision to no longer want her to work there) Google would have to show that she destroyed the relationship of trust with Google, by e.g. criminal acts or maybe using her position as a manager to undermine the companies overall direction, e.g. by her going to the public mailing list afterwards.
Announcing that she wants to leave if this can't be resolved would NOT qualify as this.