(one specific criticism I remember, though aimed at "awkwardness" is when the sentence is broken up midway in a line, like Psalm 96:12-13
I know this is not your criticism, but on general grounds this is absurd. Enjambment is native to English poetry; in the old alliterative metres it was practically universal, since the next sentence was supposed to start on the second half-line. For all the musicality and smoothness and skill of Pope, those perpetually end-stopped couplets tend to induce a certain fatigue