Sure, and game development in general takes longer than it did 20 years ago, but allocating a proportional amount of resources is all you need. If it’s a hit, it’s a hit. If you want to patch it up a bit to fix some glaring flaws, go ahead. Expecting it to maintain tens of thousands of simultaneous players is going to end up with the dev putting lots of resources into something unlikely to be the next big thing.
multiplayer networking is something that absolutely takes longer then just a few weeks
Sure, and game development in general takes longer than it did 20 years ago, but allocating a proportional amount of resources is all you need. If it’s a hit, it’s a hit. If you want to patch it up a bit to fix some glaring flaws, go ahead. Expecting it to maintain tens of thousands of simultaneous players is going to end up with the dev putting lots of resources into something unlikely to be the next big thing.