The whole point of options is they’re optional.
Those who think they would be sufficiently useful to their particular circumstances will pay for them, others won’t. If they’re available, you have to do without or buy a different car.
An electrically heated windscreen demists a little faster than putting the aircon on. But that’s not why I’d buy it. When the windscreen is covered in frost or ice you stand there for ages scraping. With an electric screen you just press the button. Within seconds the frost has gone or the ice has slid off.
No standing there and getting freezing cold hands. No getting back into the car with wet clothes and scraper, only to damage the interior. The cost savings of not buying de-icer pay for the screen over a few years.
Where I live we get cut off by snow most years. We either lose a few days income because we’re snowed in, or I can’t get home and end up snowed out. Then I have to stay elsewhere, incurring more costs. I doubt Quattro would solve it altogether, but it would reduce my loses. I’ve tried the full off roader 4X4 option, but the running costs were more than the loses. And I still couldn’t get out sometimes.
One year we got snowed in so badly we drank the village pub dry. After three days we still couldn’t get out, so we had to make our own entertainment.
I’m still paying for the consequences. Not content with one degree, he’s now doing a Masters (also at my expense). I could have had a Ferrari and fitted 4X4 for the costs.