The best German language motivation/explanation video for Matrix I know is the following by Morpheus (no pun intended): https://www.youtube.com/watch?v=dGv5zUwYX_k&t=1207
Anybody knows something even better, or maybe not better in general but more directed at non-technical people? (Like, mentioning UI features prominently and not only security stuff... )
Photo because Voyager app forces me to supply one:
TL;DR