In a lot of cases, the problem with using someone else's trademark isn't that you're profiting off of it (though that's not great either) - it's the resulting b

In a lot of cases, the problem with using someone else's trademark isn't that you're profiting off of it (though that's not great either) - it's the resulting brand dilution/confusion that results. If I didn't know better, I would assume that Hacker News India was affiliated with the original, which is a problem. HN would then be affected by any actions of HNI going forward, and no trademark holder wants to be put in that situation. I would strongly suggest finding a new name.