Not only is all of this true, but they posted a little treatise on Data Ownership and it was that post that earned them my dollars for the foreseeable future.

Link: https://www.craft.do/s/5EYqvXdOUIrNu5

MadaboutDana wrote:

And Craft has just become directly relevant to this forum by introducing
outlining – in the sense of folding. This is in addition to its
ability to perform infinite nesting.

The latest update has slightly refined folding, and now supports saving
of Craft files to local storage so you can use them as totally private,
fully encrypted spaces.

Finally, the search function has been radically improved.

The app is progressing at astonishing speed, and becoming more useful
all the time.