People outside the profession of architecture perhaps often lack the understanding of how their physical environment comes into being. What are the processes, the concerns and considerations? What are the parameters that shape the world around them?
I say homes are for families, and you have to make sure you design for the family, not just one person: kids, your wife, your grandparents need to be able to use it.
At the most basic level, prioritizing design also represents a practical consideration. It's far easier to design first and engineer later.
When you're building something, you know all of the trade-offs.
Adding functionality is not just a matter of adding code.
When you design it, think how you would feel if you had to fly it! Safety first!
Architects have to become more aware of exactly what is involved in designing barrier-free buildings and homes.
Knowing how people will use something is essential.
You can make them so small that they almost disappear, but I think headlights are also part of the face of a car.