A perspective projection (or an orthographic projection) is just one specific choice of projection, and for any particular use case it falls somewhere between s

A perspective projection (or an orthographic projection) is just one specific choice of projection, and for any particular use case it falls somewhere between suboptimal and entirely unsuitable. Its one advantage is that it demonstrates that the map is a picture of a spherical earth, but it shows only one hemisphere or less, and is heavily distorted away from the center