He was a hugely popular public figure in the post WW1 years and revered by those who served under him. His death in 1928 was a major occasion for mourning. Only later was he heavily criticized for the slaughter of the trenches.

http://www.shimply.com/p/douglas-haig-the-preparatory-prologue-1861-1914-diaries-and-letters-by-douglas-scott-9781844154043-p147