This doesn't always hold true, but when did hard or teeny (or cold) chairs somehow get equated with the Next Big Thing? Having roomy or soft-seated chairs or, God forbid, arms on the chairs these days suggests that you're catering to an older clientele -- or maybe just don't know good design. When did good design get equated with discomfort? Don't hip 20-somethings like to be comfortable too?
She's right - though I am neither hip nor in my my 20's, I'm pretty sure even a few years ago, I appreciated a comfy chair, though maybe not one so comfortable that I'd be tempted to fall asleep after a big meal.
What I found most interesting about this, though, is the direct link between style and food. It's a good reminder to everybody that food is only part of the meal experience.