Complex-looking symbols can also make things easier.
Do you want to stare at 100000LOC of if/else, for and function declaration statements? Me neither.
With a good code-editor, these complex-looking symbols can also always be shown in an easier language, on-demand and opt-in.
Then it is also almost like a two-factor definition. Once it is defined through the symbol and twice through the easy, canonical easy language explanation. The easy language explanation must also be specced then.
Ligatures solve that problem.
Ligatures supposedly heal cancer. My grandfather built a tool in his garden with his bare hands and llligatures