This might be a bit of a deep end, but I dislike how people try to push k8n everywhere.
Like you have a mid-sided company, without any real possibility to suddenly grow out. With decades of technical debt, questionable practices, lack of knowledge. But the priority is to push Kubernetes.
Sorry for the rant.
It can be a buzzword, but also be convenient for various things.
But there certainly is a steeep learning curve
I agree that not everyone should use it. But once one gets past the learning curve (understanding K8s resouces and how they work together), the experience of managing services is truly a delight: easy scaling, self-healing, Nginx ingress, etc.
Especially from the perspective of the Infrastructure team!
The amount of magic you can create to abstract away everything so that your Dev teams can just focus on the code is a game changer.
The mindset you need is everything is just APIs.