No. The argument boils down into the fact that if you are not making something like Rust, coloring your functions for fine-grained performance issues is bad; if

No. The argument boils down into the fact that if you are not making something like Rust, coloring your functions for fine-grained performance issues is bad; if you are not making something like Haskell, coloring your functions for fine details of correctness is bad; if you are not doing something like a DBMS, coloring your objects for what code is reading it is bad; and so on.