It's about developing native English (accent) — isn't it necessary?
For this question, my opinion is: Yeah, maybe not. But if you have a standard English accent, it sounds very beautiful and cool.
As non-native speakers, we can't distinguish the differences between accents from different places, or tell the differences between different types of English. But we have a common goal — that is, to speak in a way that native English speakers can understand.
So, I think having a good accent can help boost your confidence in speaking English.
Maybe when you can speak English fluently, you will forget about these things. You will just use English words very fluently and forget about this question.
That’s the freedom of learning English in that moment.
