Time spent here is irrelevant. You're in the wrong, objectively speaking. Additionally, modified SDKs aren't something that everyone here is comfortable using, especially since it violates VRC ToS. Smarten up.
This site is for pre-made unity scenes that allow people to easily upload from just Unity. If your model is over 20k, it's your responsibility to decimate it until it is uploadable. Get it to standard and then re-upload.