It also demonstrates how a less patient character can also be effective, although whether Torvald's demeanour is what actually motivates people to do the job well is debatable.
I think that's more due to cultural differences than impatience. Finns give relatively little value to social etiquette. I guess Linus just thinks it's more important to be clear in ones message and get the job done. It might not always motivate to do the job well (some egos will get bruised), but certainly makes it easier as others don't have to be second guessing his intentions.
Re. bitcoin. laanwj is respected and trusted and could potentially steer bitcoin clear of this XT fork. Solutions might not be the most efficient ones, but sometimes it's more important to move things forward.