I'm not even sure what you think those three words mean, with you unconventional use of words like leaving.Agree to disagree
And what are we disagreeing on? a prediction? Then come out and say your prediction. Say that you think the evidence shows that Mark Hamill will stop posting on Bluesky by the end of the year. Or that he will post no more than once a week on average for the last two months, or something like that.
I predict that he'll make more posts on Bluesky in the last two months of 2025 than he will on Twitter.
What evidence would convince you that you were wrong?
When you made your initial post, did you know how often he posted on each service, or were you just credulously repeating a claim you heard somewhere else, and are now just playing word games because you're afraid to admit you were wrong?