The point is that LOC is never a good metric for any aspect of determining the quality of code or the coder because it ignores the nuance of reality. It's impossible to generalize because the code can be either deceptively dense or unnecessarily bloated. The only thing that actually matters is whether the business objective is achieved without any unintended side effects.

> 2000 lines is 10x more time consuming to review than 200

Very far from the truth in practice, every line of code isn't as difficult/easy to review as the other.