It definitely depends on the people. Granted, it is easier to be like, "Hi, how are you?" & engage in other small talk before getting down to "What do you want?" at freestanding stores rather than counters...if we did that to anyone that walks into the vicinity of the counter, we'd be talking to random people all day instead of doing our jobs, while at the MAC store, anyoe who walks in has the intention of at least looking at makeup.
There is actually one store that I will not go to (and I work for MAC) because the people there has such bad attitudes & even though they all know me, and are friendly with me, I see the way they treat other people and how they look down at a lot of people just because they work at the MAC Store....like it's a frikin priviledge. Hell, I got hired at a MAC Store, but I hated it so I went over to a counter.