That is true but your average voter can see that a helloworld app has no functionality whereas he should not be required to check if the ported x comandline app is original work or just a matter of minutes of recompilation/repackaging. Anyway it is also true that commandline apps won't get so many votes but this enhances my point. The user pool for such apps is quite small so if I write a really powerful and feature-packed cli application I wouldn't want to compete with somebody that just "ported" rsync over.

(This is just an example, I won't be doing any powerful cli apps at least for this competition)