Good for them. Flipkart might have its problems (negative press coverage on work culture, still not close to profitability etc), but one think can't be denied - these are the people who raised the bar for what people would come to expect from online shopping. And that at a time when certain players (including, ironically, the site you have linked to) seemed hell bent to destroy the landscape before it had even started.
More than half a billion in funding. A fund manager in charge of this much money would be taking home much more.