Since when is India not a major player? Last I checked they were the world's 4th biggest economy, have almost 20% of the population of the planet (more than four USes combined), 4th largest military spend and have nearly 200 nukes.
Not to say that it would be part of a world war but it sounds weird to say that they're not a heavyweight but Russia is, despite having double Russia's economic output.
A lot of non-native English speakers use online communication to practice and most want to be corrected so they can improve.
A lot of native English speakers make mistakes accidentally, or speak with a dialect and some of them get really angry when people try to correct them.
It's sometimes tricky to know which is which. The best solution is for everyone to just be kind to each other but...