premise: Traveling in Germany after the war he felt an uneasy admiration for Hitler's Haus der Kunst exhibition hall in Munich--As you may have guessed, he wrote to the painter Barnett Newman, the thing as a whole was very like the church [design] I sent you--and for Albert Speer's gigantic stadium at Nuremberg.
hypothesis: He thought people admired Haus der Kunst, but he thought it was ugly.