[FooBarWidget]

Why would it be messed up if it's true? The Unix philosophy is to compose complex functionality using lots of small tools. Shelling out to existing tools instead of reinventing your own makes total sense.

[spacemanmatt]

Generally, that is true for small feats of system automation, but secure applications need to be isolated from the system layer.

[FooBarWidget]

But wget is not specialized security software.