Most of the times you hear people complaining about Hetzner shutting down someone's servers, it's because they were hosting content going against their ToC or similar. But this seems to be about Kiwix (which in short is "offline Wikipedia" in various ways) and doesn't seem to be about questionable content in any way. Eventually I guess we'll get Hetzner's perspective on this, as they tend to start writing publicly ab…
Or hosting content that Hetzner misclassified as against their ToC. Or that they decided was because of a string in a random file name. Or, in one Mastodon instances case recently, because Hetzner saw that users could upload their own images and decided that was risky (nevermind that this is common and they have moderation and a strategy for if someone tries to host anything illegal, but that one employee reviewing it was twitchy that day and there is no recourse), etc.