> So much brain power wasted on this useless thing. I can see the argument that using `const` over `let` doesn’t bring any huge benefits, but I don’t see what

> So much brain power wasted on this useless thing. I can see the argument that using `const` over `let` doesn’t bring any huge benefits, but I don’t see what the harm is either. I never found it a waste of brainpower. At this point it’s idiomatic, so I think using `let` everywhere is more likely to have people confused.