I've noticed this too, on other instances. When I discussed it with the admin of another instance, they looked into the database and found that the displayed number was just wrong, and that all the comments actually displaying were correct.
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better than what I experienced last week which was literally no comments displaying on any thread, whether I was logged in or not
figured it was a bug, came back days later and still nothing.
… realised I had forgotten I turned on the “Block comments where they aren’t the primary focus” option on in 1Blocker which synced across my devices.
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If i click the little rainbow fediverse logo on that post, it should take me to the original instance i think? Only getting a cloudfare connection error though.

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I'm not sure what it's meant to do, but it did take me here at my end.
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