There is also evidence that ignoring social justice activism when creating entertainment can undermine its value.
1. The percentage of Raj soldiers who fought in Europe isn't relevant: I would happily play a scenario which involved Indian soldiers fighting in the Pacific, Africa or India itself.I'm also not sure about what your other argument is. Nobody is denying the presence of the Indian contingent. However what was the ratio of that 2.5 million to the total combatants in Europe? And I'm still not arguing that they should be left out.
2. I'm not arguing that you think they should be "left out": I was highlighting that people of colour played a more expansive role in the war than merely as members of "special corps".