Keycloak is not open source enough?
It's fine to talk about alternative solutions but you could at least compare and contrast the solutions together and provide some insight into why you are plugging another product...
Americans use the term 'no-brainer' as a positive thing - a decision so good, easy and obvious that even someone with no brain would make it.
That's in contrast to a most colloquialisms about decisions made without brain power - calling a decision 'thoughtless' or 'dumbass' would instead be a negative thing.
Suntory Time! - Lost in Translation https://www.youtube.com/watch?v=FiQnH450hPM