Trueman on Barth

Anyone know what he means here?

And I have yet to see Barthian preaching fill a church (there is an irony that Barthian preaching, with its `dynamic’ God is so often bland, while the `static’ God of fundamentalism (according to the Barthian critique) has generated some of the most dynamic preaching the world has ever seen).

I think I can guess what he means by ‘dynamic’ God, but if you can elaborate let me know.

From Carl Trueman, What can be learned from Barth?