You're right. Unless you use a very loose definition of "value", which it doesn't seem that Dr Flaherty is doing, it would mean whole swathes of activity are no longer to be considered creative. This can't be right.

The course I'm studying at the moment is called "Creative Writing" and yet a lot of what we're doing is just short writing exercises. Yet I think I and the other students would feel we were being creative when we do them.

I think I tend towards a wider definition of creative, namely "producing something that didn't exist before". You can then argue whether the thing created has originality or value, but I don't think you can deny that the person who made it was being creative.