So... the real question is ... Sure seriously don't believe the reason for the 'lag' is due to something on your side? Na sometimes I forget you have perfect stuff so not like your internet should be having problems, node problem or someone downloading a bunch of stuff or streaming something...
Fact that you got so much bloatware on your computer that causes your computer to have resource usage which can trigger a lag spike na none of that could happen with your computer right? cause it's like $2,000 computer so no way your computer could ever have any problems like that.
Now that's not to say the servers for the game due get a bit laggy, which is another reason why a world merge is another bad idea because it will put more stress on the server hosting the game...
Also depending on how far away from the game servers you're in the world will have an impacted on the in-game play... also using a VPN or tunneling can have these problems as well...
Just because a bunch of other people say they have lag doesn't mean that they two don't have the same reason you lag, stuff running in the background of your computer, network traffic on the internet you're using ect...
People always gonna blame problems on everyone else rather then having solid proof that the reason for their lag was a nexon server related problem... Just because 10-20 people say the samething doesn't mean anything either show facts and proof that can prove without a shadow of a doubt that lag is a server related problem.
Also I do wanna say MapleStory isn't optimized really good to work with a modern computer, the images if I'm not mistaken are like BMP images which are freaking huge some in the 10mb or higher size, that and the fact that people casting skills near players can spike up everyone's CPU that's near people using skills I could sit here naming many reasons why you and others could be having the lag problems... Let's just say I rarely lag unless it's 2x and their are a lot of people on or tons of drops on the ground that my pets try to pick up for me the lag isn't that bad at all... Rarely do I face any server lag problems..
Weird, FFXIV runs buttery smooth on the Mac client (which is said to be crappier than the Windows variant) but for some reason, I still get massive frame drops looting a stack of mesos in this 2D mushroom game. I'm sure it's because of the non-existent bloatware I have on my computer, not the unoptimized quest code coded by the original programmer who thought was a good idea to have our computers run through a gigantic list of quests for EVERY meso bag picked up.