#7 is not changing but asking for a new work to basically say "Well, this was just in-world propaganda, this is why they said this and this is how things actually are". That's really just them wanting stealth Mystara content because they are avowed Mystara fans.
#8 I think it just saying that because Thar said it was compatible with those settings, that the changes would also apply there. It's more like a "FR and GH don't have this racist stuff in it anymore" than actually changing anything.
#9 is just sort of putting it all together as an academic bundle.