No, because those aren't 'idea people'. The phrase is meant for people who only come up with ideas and nothing else, it's not meant to describe anyone who has ideas.
The 'creative thinking industry'. :-) That sounds suspicious.
I once bought a book called Ideas Generation. I think it was this one.[0] A couple of years later one of the authors was in the news for plagiarism. Whoops!
No, because those aren't 'idea people'. The phrase is meant for people who only come up with ideas and nothing else, it's not meant to describe anyone who has ideas.