True Left

"any and all mentions of 'Ad and Hud have either been removed or disemboldened."

Why have these not been removed?

38. And the people of ’Ȃd and Thaműd met a similar fate, which
must be clear to you Meccans from their ruins. Satan made their evil deeds appealing to
them, hindering them from the Right Way, although they were capable of reasoning.

13. If they turn away, then say, O
Prophet, “I warn you of a mighty blast, like the one that befell ’Ȃd and Thaműd.”’