

A part of the solution is “government owned housing” rented at fair price. Most countries have such housing for “poor people” but not enough for everyone. Let alone the whole “cut-down in welfare budget” means that these building are badly maintained and that even if you’re poor enough but not homeless (e.g. full time minimal wage) you still need years for your application to be accepted. I believe that Denmark and Austria are the few countries where this model is common even for middle class. It may-be a model to follow, at least for lower middle class
The big white light is used for landing.
Moreover, while it’s not legally required, most airliner would turn it on when changing altitude, in order to improve other planes siftuational awarness
(I was curious when visiting family living on a hill with a view on the airport down the valley)