archive.org outright removes large numbers of pages, including political content; archive.is has edited a handful of pages to redact the doxxing of the archive.is owners.
[1]: https://help.archive.org/help/how-do-i-request-to-remove-som...
I even think what archive.is did to their detractor was understandable - in poor taste, definitely black hat, don't do stuff like that, immature as hell, but hey, I get the human impulse that led to the bad decision, and I'm not gonna base whether I use the site or not on that.