I haven't noticed it being a problem in Haskell. Most of Haskell's weird operators are either uncommon enough so that everybody uses parentheses with them (such as bitwise (.|.) and (.&.) and so on), common enough that you don't forget (but (&&) and (||) are the two I always forget, and occasionally some people don't use parentheses with them), or weird and common but it's very hard to use them incorrectly without getting a compile error ((.) and ($) and (>>=) and (<$>) and (<*>) and (++) and (:) and (&&&) and so on). I don't think most of the operators in the last list would be usable without static type checking.

In particular, operators like ($) and (.) are hugely beneficial and the latter's existence is one of the main reasons people like Haskell's syntax.