Lobby doors

From a New York Times article about money and the Democratic elite:

Occasionally, as bellhops leapt to open the lobby doors for another guest, the chants of protesters outside could be dimly heard.

“Lobby doors” — get it? I think that the pun is intended.

[Every time I talk myself into thinking that I have to vote for Hillary Clinton, I read or see something that makes me say no . Hamlet, anyone?]