> none of the words I'm saying are new, and many of the word combinations I'm using have been used time and time again. The ideas I'm expressing have merit -- but are they wholly original?

Then why are you saying it? But besides that query, your "word combination" bit elicited a 'so what?'

> We're all just remixing ideas we've heard before.

Something wrong with the grammar in that sentence. (Or do you go by we/us?)