I just had a look at the OpenCart issue tracker and its not an isolated incident. There's a bunch of closed issues where the devs were incredibly rude to people while dismissing their concerns. Its true that in many of these cases the issue wasn't with OpenCart, but they could have just said "This issue isn't with OpenCart, its <blah>, closing." Not stuff like (and this is a real comment by a dev of OpenCart): "you are a moron! svg is not an image format!" and then when other people tried to help: "don't reply to this guy hes a scumbag". Riiiiight. Often the issues were closed without response and when the submitter asked why, they get an incredibly rude and arrogant response. I hope I never have to work with these assholes.