He will certainly give a speech but i doubt that'll work considering Aramaki's personality.
thats the rational person talking
not oda's pis
I think this arc serves as his intro
places him as a potential villain in future
at the same time in a super fucked up way restores wano's vegetation.
oda's established how strong he is with king and queen
set him up as a potential villain through his philosophy
and he has pretty much restored wano's scenery bar the flower capital .