He keeps repeating lines and generally writes as if he thinks his readers are idiots... but of course that's just my HO.
I've never noticed either of those things. In fact, he writes directly to an audience that he assumes to be intelligent and well educated, as most SF writers do.
The John Grimes
series by Bertram Chandler
. Space Opera at its best. Follow John all the way from Lieutenant to Commodore to Rim Runner. Bubble helmets and bikini-clad space vixens.
I could use a little of that.