And that, in turn, led me to find this post there - https://app.heymaven.com/discover/49680
where someone is pointing out that the numbering system can also be used to mine account info.
And then down here in the comments, he also mentions that if you know who someone is, you can find their unpublished draft posts too
https://app.heymaven.com/discover/55373
They say further down they've fixed this, but man that is not good.
@DrakkenZero @liaizon @bsky.brid.gy the drafts thing sounds like an issue on the fedi software side though, no? mastodon & co have to be flawed for that info to be available