Sony actively monitors for credential stuffing. They have automated systems that flag IP addresses hitting their login API thousands of times per second. Many users who download "free tools" end up with their own ISP banned from PSN or face legal cease-and-desist letters.
: Free "config packs" are a common delivery method for stealer logs or backdoors. psn config openbullet free
PSN has very strict rate-limiting. You cannot run a PSN config without high-quality proxies. Residential or rotating ISP proxies are highly recommended; public free proxies will almost always result in "Retries" or "Bans." Sony actively monitors for credential stuffing