As long as Decisions will be that easy to add/remove/alter I'll be happy.
It will be interesting to see how the AI handles decisions where previous games presented them as events with 3 or 4 options.
Events and Decisions are handled the same way. In the other two games which use this engine, you have an "events" folder and a "decisions" folder, with all relevent files in each. Quite easy to remove ones you don't care for, or rewrite them, which is also surprisingly easy.