Earlier quoted context omitted.
You could, but no one ever seems to do a good job of it.
There are a lot of things no one ever does a good job of, but that doesn't make them not useful, nor does it mean that they wouldn't by more useful if they did a better-but-still-not-good job of it. Bitcoin is at least doing a less-awful job than any previous attempt managed.
> You could, but no one ever seems to do a good job of [making such an argument].