> I remember an old moobunny thread where IIIRC were key MorphOS developer(s) (IIRC
> Laire) were talking about [...] that MP is not a definitive given for future developments.

That must have been before 2011, when first real plans to go x64 or ARM with all bells and whistles were announced at Alchimie 111111. And MorphOS team member geit has never grown tired during the last years of explaining how MorphOS/x64 is supposed to get memory protection.