The altai had all the valances covered in snow and that big zippered up thing in the top, that's a vent, it had no chance

(its ok if you said something positive i'd be the first to point out the negatives )
These discussions Are all relevant to any single skin tent, any tent in fact, double skin tents don't 'suffer' condensation less its just the user that has to deal with it less.
Its so hard to explain without the doing even then it probably more of what you envisage as acceptable or perceived comfort.. i took off for a week with my first single skin tent and had no choice but to find ways to live with it, after two or three weeks i had it sussed and now wouldn't go back. I think ive said before though that my ideal for tassie (from what I have used... and if i could carry it) would still be some model of 3 hoop tunnel tent.. if i was more sure of the condensation i would have valances sewn on to one, take a bivy and scrap the inner.. The Sl3 is great, perhaps as good, i just haven't had it exposed on a mountaintop in mid-winter, in a howling gale (yet...).
I made

people take them (SL3) on the overland track, they almost always came to like them by the end of the week but there is always enough to do without adding work by explaining things that arent immediately recognisable (same reason for going back to goretex... anyhow... now that Is another story

).