When things work out fine, an agent, a kiosk, or a robot doesn't matter. It'll be done in few minutes.
When things go wrong, I don't need another 'form' of computer to tell me a different version of please see an agent.
Based on pictures, it's just a kiosk on wheels to navigate me because it's afraid I can't distinguish between human and kiosk to see an agent.
It's about time all these companies invest in future technology, not a repacked version of current tech.
Deep (and scary privacy intrusive) tech like walk straight to the conveyor belt. Facial recognition would determine, you and tag your bags.
The techs are there, just waiting for a large scale deployment.
And since, we're talking about a city check-in facility. The concept was there forever, and the only reason there are fewer is the cost of operating one. It's always among the first to get budget cuts.