I’m not sure by what evidence you came to this conclusion. The tweet exists. It exists with this person’s handle on it. This person claims that their account is not compromised.

From an Occam’s Razor standpoint, it doesn’t add up. I was looking for more evidence here, like “At that time I couldn’t possibly have tweeted, because it was the middle of the night and I have never tweeted at night,” or “The people who were the subject of the “@“ are not people I have ever interacted with, and the tweet itself doesn’t make sense in the context of the conversation.”

The general lack of detail and a lack of putting forth a theory of what did happen, besides “I support Ukraine so I might be getting silenced” (which seems unlikely — who doesn’t support Ukraine the West? It’s not an unpopular opinion. Is this guy Russian? And silenced by whom?) — it just plays like the song “It Wasn’t Me” by Rik Rok and Shaggy.