APIs are in fact copyrightable.
If that is "in fact" so, then you should be able to easily cite unassailable proof for it?
A specific implementation of an api -- Ie. the source code -- can be copyrighted. And copyrights on parts of that source code -- as determined by the BFC test -- can be be legally enforced.
But no one has yet succeeded -- though few have tried -- in enforcing copyright on the specification of an API when re-produced under clean-room conditions.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.