GPL loophole

Program X is GPL'd. You want to modify it but don't want to release your modifications. Slightly modify the source of X so that it can dynamically load foreign executable code. Have it load your proprietary additions.

Release the source of your Program X fork as GPL, but do not reveal the source of your proprietary additions.

>>11
So technically a script, thus a lit. work. Even an when using an abacus to achieve a denotation, it is technically a script when the instructions are written/typed.
It doesn't make it any less of a tool. Tools should belong to the user. Software that isn't controlled by the user means the user is controlled by the software owner.