To those who've quit: What would make you come back?

If there were more updates like ludi

And what kind of updates would those be exactly? Players just don't give a damn about new maps anymore. At most something is hyped until about a week after it's released, then it's back to the same old thing.

Obviously Maple hasn't implemented anything that resembled the Ludi release, well, since the Ludi release. Not only that, but how many current players in the game ever even experienced that patch? Only the ''old folks'' remember those days, and that's just nostalgia. It's not like Ludi added any content that was actually interesting, it was just that it was something new for those who were so used to not ever having it and they were excited for that new albeit crappy content.

The same just doesn't apply anymore. Now some content is released and about a week in the players are already bored.
The game just isn't holding up anymore.

You're hoping that someday a patch brings back that excitement you obviously lost years ago, but is it ever going to come? No.