It'll probably hit discord's hard rate limits and cause you to get locked out for a certain time, and if done repeatedly, it'll lead to account suspension. The official client by default always respects the soft rate limits, but a script like that very likely will bypass it."Please, do not use this script for large or public servers. The script was made as a convenient way of keeping a local copy of private and group chats, as Discord is currently lacking this functionality. "
Something tells me running this on Furry Valley will end up breaking something.