That mapmaking is a complex thing came to my attention when talking to an old friend studying the matter at the time. The takeaway was that there is always an imbalance between angle an area.
This video was very nice as it explains the matter in a sensible and easy to understand way. The fact that map making also has a political dimension is also noteworthy. A map is an abstraction and simplification we as humans often start substituting for the real thing.
Making accurate maps is mathematically impossible
Please make sure to check some of the links vox.com gathered on the subject:
Cartography (; from Greek χάρτης chartēs, "papyrus, sheet of paper, map"; and γράφειν graphein, "write") is the study and practice of making maps.
Definition from Wikipedia – Cartography