Choosing Your Sim's Style of Speech

I am obsessed with how our sims style of speech changes when the "Talk like a pirate" day comes in the game. I want each world to be in a different country, and each country would have a different "accent". Willow Creek would be more french, Oasis Springs more spanish, San Myshuno could be japanese or indian (maybe indian, cuz I still want a traditional japanese world), Britechester could be british english, Brindleton Bay could be canadian english (i don't know if its a thing that exists, but...), Strangerville could be american english (or regular simlish)... Etc Etc...
And when I say that, I don't mean I want them to remove simlish. I just want it to sound different. Maybe they could even expand on this to have each world/accent have a unique greeting. Like, the japanese simlish would bow, the brazilian simlish would hug and kiss your cheeks, the italian one could kiss you on the right cheek and move to the left cheek for a second kiss... etc... haha
It could change the eating style too, like using chopsticks or silverware. etc...
It would be amazing to have that. Maybe our sims could actually travel to the other worlds and learn their local culture like we can learn the selvadoradian one.

@NationalPokedex I think the voice we already have jsut changes the pitch. I have never noticed any difference beyond the pitch. Maybe they could improve the differences adding one new voice actor for each type. Maybe they could even look further into adding one for each vocal range.