There's the "letter of the policy" interpretation, where anything the text of the policy doesn't explicitly forbid is A-Okay. And then there's the "socially acceptable norms" interpretation, where you're only supposed to ask for refunds when a product is actually defective, and if you go any further than that, society and HN comments will shame you for it.
In the US, we have a thriving culture of shaming people for anything and everything, so companies can have generous policies and lean on the social norms interpretation to keep people in check. India is more of a free-for-all, so companies feel the need to spell everything out.
Consumers in US can buy a product without the anxiety of not having read the fine print, knowing that the seller will honor the return policy. Sellers also end up selling more because most buyers like the product they buy. Society wins overall.
I have lived both in India and US, about two decades each at both places.
It's not illegal to use the agreement in this way, and I would never try to make it so. But I would absolutely look down on someone for behaving this way.
The fact that businesses change their policies as a result of abuse should tell you whether these actions are within the spirit of what they intended or whether it's outside of it.
Culturally in the states and Latin America that makes you jerk and people will hate you for it. So there is social pressure in place to help regulate those events, but it may not always be the case everywhere.