What rules? I am only saying that symbols add cognitive load, even more if they're context dependent. I don't think that's controversial at all, and APL and other array languages do have context-dependent symbols.

And yes, I tried learning an array language but I didn't get far for two reasons: one, I didn't really see where could I apply it; two, it's really hard to discover things and learn incrementally when you can't really use autocomplete or even Google (punctuation and symbols are not well supported in search engines) to help with the large set of symbols/operations with multiple meanings each.