I found the mention of the Reddit post about how Notion banned a person's account and kept their data, to be particularly interesting. 100% proves what I've always said about Notion, over and above the fact that it requires way too much initial configuration.
Here's the link.
https://www.reddit.com/r/ObsidianMD/comments/1odyubq/this_is_why_obsidian_is_the_best/ https://pkm.social/@ednico/115434475318338524
