IP-based mitigation strategies are pretty useless for ATO and credential stuffing attacks.
These days, bot nets for hire are easy to come by and you can rotate your IP on every request limiting you controls to simply block known bad IPs and data server IPs.
Seems relevant.
https://www.notebookcheck.net/UPS-lays-off-12-000-managers-as-AI-replaces-jobs.802229.0.html