I wonder who he was thinking of. It definitely wasn’t Winston.
For sure not Churchill, but I've never seen who it was the Nazis figured might be more compliant than Chamberlain.
However, speaking generally, we have to remember that all the way up through Munich in 1938, a large number of Europeans and Americans were quite conflicted as to where the real danger lay -- was it Hitler, or Stalin?
Even today, after knowing how it all turned out, some people still argue it would have been better to ally with Hitler against Stalin.
Indeed, the issue was not really settled until it became more than obvious that, however brutal Stalin was to his own people, he did not represent the same immediate threat to France and Britain as Hitler.
Even well into the war, there were still some high level defeatists who considered Nazi victory inevitable, and peace at any price preferable. Those included the former King of England, and our own "Old Joe" -- Kennedy. Kennedy became especially bitter against FDR after his son "Young Joe" was killed in "Roosevelt's War."