Ah, well, here's the thing, Maple Story is Nexon's longest held, and arguably most popular game.
Maple Story is Nexon's 'flagship' title, and most of their negative rep comes from issues players have had with that game, you may have had a good time with vindictus and the like:
but you haven't lost Actual NX/rare items through bugs in the Maple Trading System, which to this day still haven't been compensated due to lack of evidence, which is near impossible to get due to the nature of the glitch.
haven't had random account hacking sprees that were focused solely on the Maple Story game such as the one through the winter of 2009. which brought about the rush release of the PIC system.
haven't been randomly banned through glitches in the auto-ban system: ones that last a MONTH, not just 3 days.
Dealt with being unable to boss for months at a time due to hacks such as DC hacks, which only have recently been fixed after putting legit players at a disadvantage for over a year.
I'm not saying Nexon is bad, its actually improved with MS recently; but it has legitly earned any negative rep it has, and they've got a lot to make up for so they had best stick to improving. Until then, people who've experience Maple Story Pre-BigBang have earned the right to trash nexon until confidence is restored.
Make life what you want it to be.