Not exactly. A lot of it was trying to figure out just what set of people had their presence unexplained. If some of them had perfectly understandable reasons for being there right then without intervention, then his new explanation would not need to cover them.
It turned out that everyone (perhaps except Snape) needed explanation, including himself, so it kind of looked like he ended up where he started, though he was on much firmer footing afterwards.
Not exactly. A lot of it was trying to figure out just what set of people had their presence unexplained. If some of them had perfectly understandable reasons for being there right then without intervention, then his new explanation would not need to cover them.
It turned out that everyone (perhaps except Snape) needed explanation, including himself, so it kind of looked like he ended up where he started, though he was on much firmer footing afterwards.