:shrug:
1. data isn't stored in a proprietary format
2. works well on most platforms without work-arounds
3. I can use whatever sync system I want on whichever platform I want
If I have access to my sync system of choice and a text editor, my data is safe and easy to navigate. I don't need extra accounts, and I don't need to pay for anything in order for it to work the way I want to use it.