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Meanwhile I can read other Bluesky posts without logging in. So yeah, I'd say it looks like robpike is explicitly asking for this content to not be public and that submitting a screenshot of this post is just a dick move.
If there was something controversial in a post that motivates public interest warranting "leaking" then sure, but this is not that.
He did share a public version of this on Mastodon, which I think would have been a much better submission.
https://bsky.app/profile/robpike.io/post/3matwg6w3ic2s