Okay, fine. What possible rewards could a player reap from travelling thousands of blocks to the Farlands?
Second off, the old Farlands were a bug because, among other reasons, they were very laggy and unstable. If Mojang deliberately added a Farlands into the game, it would not be as broken.
You're right, they wouldn't be as broken. They would still be just as ugly and pointless, however.
Anyways, it sounds like a nice idea. However, there's still the issue of the first point I brought up. If most people will never even see it, what's the point? Can't that small niche of players just get the mod instead?
This. I shouldn't be condoning you for using the "use a mod instead" argument which we don't use here, but in this case if you want to re-add a bug into a game, this is where Minecraft Update territory stops and Mod territory begins.
I have a better idea: Wouldn't it be a good idea to implement better biomes, new mobs or more variety in the world to make the regular Minecraft world more immersive rather than reimplementing bugs and preventing progress towards good-looking mapgen?