It's more about experimenting, and knowing how things work under the hood. So the learning part is the poing. But also that you can have a lightweight serverles

It's more about experimenting, and knowing how things work under the hood. So the learning part is the poing. But also that you can have a lightweight serverless platform, that doesn't require a lot of resources since OpenFaas requires Kubernetes or Docker Swarm, but with faasd you can have it on a single RPi.