[fph]

Please provide a link to this post you found, so I can tell which one you think is a citation to a source. If you want some examples of recent posts that should have a source but don't, here they are:

https://grapheneos.social/@GrapheneOS/116442796907613215

https://grapheneos.social/@GrapheneOS/116442754144530576

https://grapheneos.social/@GrapheneOS/116439834987996043

https://grapheneos.social/@GrapheneOS/116439798112845463

https://grapheneos.social/@GrapheneOS/116439747793648606

(the linked post in Mastodon is the one displayed with a bigger font, not necessarily the first at the top of the page.)