Today 4 Dutch climbers died on Mont Dolent. Apparently one (or more) of them slipped and they were roped up. They fell together.
This accident raises to me (again) a question that I also had last week while preparing to climb the Bianco grat on Piz Bernina (which we eventually didn't due to bad weather). We would climb the snow/firn part of this ridge unroped, since (in my opinion) the use of a rope without use of fixed points (i.e. icescrews or anchors), in that situation (a snow ridge or slope) poses a risk. If one slips and falls, the partner(s) might not be able to hold the fall, especially if the firn is hard.
I've talked with other climbers about this and got mixed responses, going from 'jumping to the other side of the ridge' to the use of short-rope techniques, to others agreeing they go unroped in that situation. I also remember Pit Schuberts opinion on the topic (based on experiments), which is that roping up on snowslopes/ridges has little use, especially if the snow/firn is hard frozen.
I would like to know your opinion on this subject and/or what technique you use on snowslopes/ridges?