What 143,000 Blocks Actually Mean

On Saturday, Jay Graber and Paul Frazee—Bluesky’s Chief Innovation Officer and CTO—announced Attie at ATmosphere 2026 in Vancouver. By Monday, it was the second most-blocked account on the platform, trailing only JD Vance—and the count, tracked by ClearSky, has since climbed past 142,000. Most of the people who blocked it had never seen a post from it, and given that it’s still in invite-only beta for conference attendees and a waitlist, almost none of them had used it.

The JD Vance comparison is a measurement artifact, not a social fact. His blocks represent individual decisions made by people who encountered something and formed a judgment. Attie’s blocks accumulated differently. Bluesky’s composable moderation system lets users subscribe to community-run block lists, and when a list maintainer adds an account, the block propagates silently to every subscriber—without notification, without a post seen, often without any awareness the account exists. The ClearSky data makes the mechanism visible: within hours of the ATmosphere announcement, Attie began appearing on lists with names like “AI Slop Blocklist,” “AI Hype Ridiculousness,” “AI Shitweasels,” and “AI crap that nobody needs.” A handful of maintainers applied a categorical rule—LLM-based tool, therefore blocked—and the number cascaded automatically. The people whose names are attached to those blocks mostly didn’t make a decision; they subscribed to a list that made the decision for them.

This isn’t a defense of Attie, which I haven’t used either, and whose actual merits aren’t the point. The point is what the metric measures—and what it doesn’t.

Bluesky built composable moderation as a genuine alternative to Twitter’s centralized control, a deliberate attempt to return agency to users. It works, and it also turns out to be an efficient mechanism for propagating categorical judgments at scale. A small number of maintainers can operationalize a community’s anxiety about a whole category into platform-wide exclusion in 48 hours, silently, without the blocked party knowing why or the blocking party making an active choice. The number then gets cited as community sentiment, which it isn’t—it’s infrastructure behavior that the framing of “most blocked” obscures entirely.

The irony specific to Attie is that it exists to help Bluesky users build and control their own custom feeds. The blocks didn’t come from people who tried it and objected; they came from people enrolled in a system that assessed the category and applied the rule. User choice, fully delegated—which is a coherent thing to want, until the resulting numbers get mistaken for something they aren’t. 142,000 blocks in a weekend sounds like a community verdict. It might be a dozen judgment calls that the platform’s architecture made to look like one.