Fascinating… I knew some of this and it is indeed troubling.
It seems that Brave’s mission is actually about generating revenue by any method possible (including manipulation of end users) more than anything to do with privacy.
If you’re cool with all that then Brave is for you I guess.
This. Your data is stored in .md text files so even if Obidian somehow stopped being the best your data is so easy to move around.
Also add to your list mega.nz works for syncing Obsidian across many systems.