I had to work with this at my old job(forked, messy-patched and outdated version). Honestly, I wasn't a big fan, mostly because of the horrible patches to make it do things it was never meant to do but also to some degree because of how unnecessarily over-complicated it was.
i feel you; working with a heavily patched fork of anything can be rough
check out the new version, i'm sure it has improved quite a bit since then.
Of course simpler solutions than Ory Kratos exist, but they often come with other tradeoffs
