What makes Scala's operator overloading “good”, but C++'s “bad”?

Question

Operator overloading in C++ is considered by many to be A Bad Thing(tm), and a mistake not to be repeated in newer languages. Certainly, it was one feature specifically drop

Answer 1

I have never seen an article claiming that C++'s operator overloading is bad.

User-definable operators permit an easier higher level of expressivity and usability for users of the language.