Yes, of course, i'm not saying that physics are not important, or that it's better to develop something else than them. I'm just saying that you can't develop the physics and nothing else for a while, say to make the physics perfect without going somewhere else too.
Remember that Scawen is not alone. It's true that you can't release a patch with cosmetic changes only, as there are other things affected by them, but you can't also release a physics only patch, or let's say patches without eventually having something else. They've got to work in cimbiose as they've got different things to do.
And it's what we've seen in the past; remember the bmw f1 patch, correcting some physics and cosmetic changes too.