Developers and security researchers use these configurations for "pentesting" to ensure that their own websites have robust protection against credential stuffing and brute-force attacks.
In the "cracking" or "account checking" community, this specific configuration is used to verify the validity of Unlocator accounts at scale. Unlocator.loli
Using automated tools like OpenBullet to access accounts without authorization is a violation of Unlocator’s terms of service and, depending on jurisdiction, may be illegal. depending on jurisdiction