I have question about consts/lets in JS and mutable objects.

Basically, should I use const to declare objects eg. Arrays that are able to mutate with .push? Is not that the consts should stay as they were declared, without any mutation and if there is one, it should be declared with let?

The vast majority projects uses Eslint rules to force const over let when value is not reassinged. Is there any benefit of using const?

What I found is this article but it still not solving my problem Should I declare mutable objects with const