This is not quite an accurate telling of rockstar's reaction, there were actually receptive to it and paid out $10k for the discovery. Though it's an understandable mistake given rockstar's hostile history with the gta modding scene.
See the original post and discussion for the whole story:
https://nee.lv/2021/02/28/How-I-cut-GTA-Online-loading-times...
https://news.ycombinator.com/item?id=26296339