Yeah, timed events are very scarce. Some of them are very useless as well, just a flourish of something. I was proposing that confrontations through dialog could be triggered like that, not really initially designed on the dialog options. Mostly because I would consider confrontations coming from something you are sure about, compelled, so it requires a fast reaction. The other answer, though, would not.
I do miss all those paragon/renegade interrupts/impulse moves. They let you do so much fun stuff in ME2/3
