It's a smart low cost fix! This must be looking cool from the sky, pilots will be like.. Ah, this is India, I can tell by the white rooftops! 😆

You're right, I'm in North-West Europe and when I was a kid we used to go on holiday to Italy in Southern Europe (1100km distance) because the weather was a lot warmer there with less rain, now over 30 years later we have the temperatures Italy used to have in my country in the summer and I don't want to go to Italy anymore because it's too hot.
AC's were only for wealthy people in the past but more and more middle class people install them in their houses now, actually, in two weeks we are getting two new AC units on the bedrooms, better nights in the summer!

I think in cities where there's a lot of concrete the difference in temperature can be five degrees more than in places where there's more plants and trees, it's a lot!