The problem here isn’t the motivation for the feature — it’s a fine feature for a language to have and as noted some languages use it to good effect. Folks are totally justified to like a feature like this, especially if they’re used to it. Conversely, folks are totally justified to not like such a feature; kwargs and positional args are both supported in the language and developers get to choose which makes sense for their APIs. Arguing about the motivation is going to be as productive as arguing about a favorite color.
The problem is that PSA: Julia is not at that stage of development anymore. This isn’t a simple feature to turn on; it has huge ramifications to the API surface area (and thus maintenance) of all positional-argument functions ever written. It would also have some very confused (and breaking) semantics in the presence of multiple dispatch and existing kwargs.
Instead of arguing about the motivations, I think it’d be more beneficial to look towards how we could gain some of the ergonomic advantages from the user/caller-side.