Not disputing what you wrote, however the fight with the Boers did surprise those Indian career officers who didn’t expect, farmers high wire fences prevent recce by lancers up close. The range of the accurate Mauser in boer hands also deterred close target recce.which turned out to be a pretty nugatory debate... as the implications of barbed wire, modern artillery and barbed wire had yet to be fully appreciated and the arrival of the tank and fighter aircraft were only just over the horizon.
The use of maxims n Pom poms did hint at the need for section fire manoeuvre as lines of eighty strong companies fell
Lastly Krups & Le cresout cannons did wonders for creative dugouts and redoubts
One thing that did get forgotten, was the steam engine supply train that went where the railway did not
The Boer war ensured the army was overhauled sufficiently to stop the WW1 Hun dead.