pull down to refresh

I mean dumbed down as in it pushes you into a framework that is often incomplete because it is made to be "more user friendly", and while often the underlying kernel features are available, activating them will put you in a world of pain because often something will break in the user-friendly layer.

want to test freebsd really bad, but my knowledge about this is about 0, I don’t think that learning whileI setup my NAS is a good idea.

Yeah I'd not do that either. You'll want to do learn on a spare or on a VM. Not on a live device.