First, the staff are really friendly at this location. However, I encounter a few that are a little shy and usually this is when they're new and you know they're new because it would say on their name tags or one of the other baristas would let you know that they are trainees.
Second, when I come to this location and they are out of a certain food item that I like I get a little sad but having worked at retail and customer service before, I understand that stores do not have infinite supplies of all of their items. You're dumb AF if you think that and you should probably work at customer service so you'll know.
Third, I come to this location often so some of the staff know me by name and drink already, which is awesome! Most of the time, I order my drink and food and get them in a timely manner. Rarely, I have to wait a little bit longer just because this seems to be a convenient location for most people so they get pretty busy so that's understandable.