The author is reading WAAAY too much into a blog post statement. “More then a billion” could also mean 1.4 billion just like in 2022 but it just sounds better. Plus, you can’t just compare a number from a blog post with an annual report. It’s like comparing apples and oranges. I think this article is just wishful thinking.

Why not use KeepassXC? It’s a completely local encrypted db but it integrates with cloud storage apps like nextcloud for sync. It has plugins for integration with Firefox and KeepassAndroid is pretty smooth on the current Android OS.