Meteor-rejects-addon-0.3--3-.jar -

I was cleaning out my .minecraft/mods folder today and stumbled upon this cursed artifact:

Ever wanted features so broken, so half-baked, that even Meteor Client’s developers said "no"? Now you can have them! meteor-rejects-addon-0.3--3-.jar

First of all – yes, two hyphens and a trailing -3 before .jar . Second – "rejects"? Did the developer lose a bet? Third – Meteor itself is already chaotic, but an addon for rejects ? I was cleaning out my

meteor-rejects-addon-0.3--3-.jar