No one is omniscient and omnipotent to get all of the sample space of the world, so any observation must be incomplete.
Singaporeans also speak English.
Also judged from young memory, the English can not be bad ———— it’s just not suited for me too much.
I also speak English.
If people speak English they must talk with English. Talking will let people think they are closer than NPCs. After all, why did you speak language?