In a large app, inlining all calls would be unreadable. Having sane, descriptive names for functions (and using functional programming, for that matter) solve the problem better than inlining.

We talk about cases where subject article has sense. In such cases you can't 'just give it a name', because read the article first please. Every instrument has its uses, I'm talking about that we miss it, not about what mess could be done by abusing it. Mess can be done in any language, in any editor/IDE.