I think there would be two reasons:
- heating this would cost a lot
- getting a contractor to build this would be Hell, I can't get a contractor to show up to do anything without paying huge fees for "overtime" because they say they can't do anything during a weekday. They say they'll do something and just don't show. They show and do a crappy job.
- too big a job to be a DIY
I agree, we should all care more about the appearance of our homes. I do not like the get rich quick mindset of many residents here.
I love this place and want it to be a pleasant, attractive place to live.