I tried the thread and loads (e.g., in the first couple of posts) loaded just fine for me.
Then your browser is configured to display unencrypted embedded content. That's an option 🙂
Quite possibly, but I'm just using standard Firefox. If that's the default setting, I'd be the last to notice or have any impetus to change it.
@Oliver Schick started
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Then your browser is configured to display unencrypted embedded content. That's an option 🙂