“If, though, the idea was to create an environment to protect those seeking to flee from toxicity, in the absence of a definition the question arises: The toxin is what exactly? Unpleasant ideas? Ugly reactions? Maybe the toxin is far bigger than Bluesky could possibly address. Social media overall? People writ large? Even the notion of a safe space — as a smart Democrat texted me as this was going on, “safe for whom, and from what?””