I never take selfies; it must be something young people do, taking photos of themselves all the time and standing in front of the mirror. A good house is built on a good foundation, so the foundation is the most important thing, followed by the roof, which protects the house. That's why we always celebrate when the roof is on the house, even if the rest is far from finished.
Appearances aside, I don't know why some people, or as you say, most people take photos from the side, but it's probably the angle they're most familiar with, because that's what we see in the mirror and what we're used to. So it's all a matter of habit. If you always see yourself from the front or from below, that will be normal for you and you will make sure that it looks its best. The house? The car? Isn't all our possessions just for show, like the clothes we wear or jewellery or make-up? Isn't that what society expects of us? I can imagine why the outside is more important, because that's what everyone sees; most people never come inside. I remember years ago, people would have a nice living room, but the rest of the house would be poverty-stricken. No bed to sleep in, sitting on the concrete floor, no rugs to protect against the cold. Is it all to keep up appearances or to avoid being shunned by society? I think it's the latter. Fortunately, those days are long gone. For at least 20 of those 30 years, it has been very trendy to get by with little, to have minimalism, to have little in your home, to reuse things; it's been instilled in us from an early age. Anyone who is now living in poverty is not a pauper but is consciously caring for the environment. So you see how easy it actually is to change an end statement and not be ridiculed or ostracised.
You can recognise the truly poor by their bare feet in winter and by the groceries they buy. What's in their shopping trolley says a lot about what people have to spend, and it turns out that there's nothing left to keep them healthy on the inside. Ultimately, the many taxes we pay on everything are added on top of the high rents, high electricity costs and water costs.