My reading was that both peers end up 'thinking' they initiated, but it doesn't matter. i.e. (3) either doesn't happen or just doesn't need to be waited for, or

My reading was that both peers end up 'thinking' they initiated, but it doesn't matter. i.e. (3) either doesn't happen or just doesn't need to be waited for, or that they could even block (2-new initiation) and then it definitely wouldn't.