There were many lingua francas of which French was supposedly the first global lingua franca. That changed and it became English (from what I understand). We will probably see another language become the lingua franca, so my question is: should it be English? Are there better candidates out there? Why / why not?
Eh, maybe, maybe not. They aren’t really the juggernaut they used to be, and their birth rate is now below replacement so there’s no “they’ll just outbreed us” jerk to do, even.