The "asking questions" scenario is startling to a pwBPD , especially one in Waif mode, because they are specifically looking to you to rescue them, have the answer, be the expert, etc. It alleviates them of any responsibility or accountability for the action they then take.
This makes a lot of sense. If a person is "handing you the ball" expecting you to spike it and pretending they don't have the slightest idea of what to do with it, then when you hand it back they will most likely pretend they never saw the ball in the first place and don't know what you are talking about. "what ball? I didn't have a ball. I'm not even playing ball, that's ridiculous. Oh, wow, look at the rain! Was it supposed to rain today?"