FORTUNE -- On Friday, Daring Fireball's John Gruber, one of the most influential Apple (AAPL) commentators on the Internet, began the latest episode of his Talk Show podcast by launching without preamble into a riff about Andy Pettitte's return to baseball.
No surprise there. Gruber's podcast style is as idiosyncratic as his widely-read blog, and he'll use any excuse to talk about his beloved Yankees.
In the absence of an explanation from the principals, the blogosphere rushed to fill the void with speculation about what had just happened; there were hundreds of posts on Hacker News alone. Among the theories put forward overnight (and collected by the candler blog's Jonathan Poritsky):
Most long-time listeners wished the new Talk Show well, but the consensus among those who caught the first episode on The Mule (title: "What if the Dolphins Had Thumbs?") was that without Benjamin to keep him on track, Gruber tended to go off the rails.
The iTunes customer review voted most useful Saturday morning pronounced Episode 1: "Unfocused, uninteresting and unlistenable."
Neither Gruber nor Benjamin returned our requests for comment. We'll try to keep an open mind.
UPDATE: Benjamin on Monday posted a four-minute message about the end of Talk Show. He points out that it actually stretched back 120 episodes, wishes Gruber the best with his new show and tells listeners where they can find it. See Special Episode No. 6: Regarding the Talk Show.
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