I think the reason it works that way is because they want strong guarantees for the future portability of your skeets. It's sort of a correction for Mastodon's reliance on server admins' goodwill.
I’m cackling over here. How have I never heard this when people talk about blue sky?
<troll> The definition of dictionary is just "Words about words" (source: Urban Dictionary), so I'd say that Urban Dictionary qualifies. </troll>
"sky tweet" is also a stupid name since a tweet is already the name for a post on a very specific platform.
Though in practice I think "skeet" was a bit of a fad to be provocative, and most people just call them tweets, even on bluesky.
Go on, tell us what you think an "actual dictionary" is.
I don't think it's important. What is important is using a sane environment. X is completely crazy.