Sentence examples for functionally worthless from inspiring English sources

It's one of the great vexed issues of English grammar, up there with "what is a zeugma?", "are my litotes straight?" and "are semi-colons functionally worthless?".

Absolutely worthless.

Probably worthless.

But worthless?

It is now functionally extinct.

It rapidly became worthless.

That theology was functionally lost".

You are worthless!

"They are worthless".

The ESOP is worthless.

Life feels worthless.