I thought it would be about the data breaches and them being a security weak-spot instead of a stronghold.

I had no idea that they also rob you in the process, employing the good old vendor lock-in move even my grandma knows about.

P.S. Keycloak is a pain in the ass to figure out and set up properly, also it runs on some ridiculous app server, giving it a recognisable turn of the century stench, but it is well worth it.