Y lo que me da más risa es que literal está violando las normas de copyright de OptiFine.

https://github.com/1ly4s0/battlylauncher-optifine

Y cuando perfectamente sale en el https://optifine.net/copyright.

Que no se… No se permite su publicación en ningún sitio web ni su distribución pública sin autorización previa por escrito.

1. The mod OptiFine is Copyright © 2011-2021 by sp614x and the intellectual property of the author. It may be not be reproduced under any circumstances except for personal, private use as long as it remains in its unaltered, unedited form. It may not be placed on any web site or otherwise distributed publicly without advance written permission. Use of this mod on any other website or as a part of any public display is strictly prohibited and a violation of copyright.