I haven't been to Beijing but I'm guessing they do have these things. If they have a subway bigger than NYC, with 9 million daily riders, then not everyone is waiting for a bus. The NYT finds the worst then writes a story about it.
I found the Beijing subway to be far nicer than the ones found in major American cities. No surprise since it's much newer.
I know there were some issues with Muslim separatists, but they didn't seem to even rise to the level of US terrorism threat. We do airport theater but not bus/subway theater, even in NYC.
God forbid if you ever have to transfer at xizhimen; I never thought it was possible to wait in line so long to take a subway.