Well they certainly have experienced a public relations bonanza over the past week. However:
BlueSky: 13 Million users
X.com: 500 Million users
BlueSky: 13 Million users
X.com: 500 Million users
More interesting would be active users especially those who follow each mutually and engage with each other
and counting.
The author plainly doesn't like ol' Musky, but there isn't really a winner vs loser distinction made in the article. To the extent there is, it gives the winner label to other services, not Bluesky.