People bitching about elevator/escalator scenes
This movie isn't supposed to be representative of all Indians, just two rural boys who had never had much experience with technology. The fact is, the real Rinku Singh and Dinesh Patel had never before seen an elevator/escalator and were from backwater villages that had no Internet, flat-screen TVs or cell phones. The movie portrayed their experiences accurately, but it wasn't saying, "This is how all Indians are!"
You have to remember, India is a big country with the second-highest population in the world (1.2 billion). That's almost four times the USA's population (318 million). I don't know the exact statistics, but let's just say that 318 million Indians are as technologically advanced as the US, that still leaves roughly 882 million people without. That's nearly a billion people -- or just 139.5 million more than the entire population of Europe (742.5)!
Thus, it's not unreasonable that there are literally hundreds of millions of people in India who don't have access to modern technology, especially in a country with such poverty disparity as India.
But once again, let me reiterate, this movie is about the experiences of two dirt-poor boys from rustic India. It's not a critique nor a commentary about India as a whole.
P.S. Those who are arguing that they've met Indians who are technologically adept and have the latest gadgets, well, did you consider that they're also not representative of all Indians? In fact, the wealthy and middle class Indians are in the minority.
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