delete confusing doc

README.md

@@ -45,11 +45,6 @@ The main ideas:
   who knows how to write the latter in `cmd.exe` or Powershell.
 - Open world assumption: passing extra arguments does not break and arguments
   can be re-used in multiple contexts.
-- Because the line between calling functions from the command line and Clojure
-  itself is blurred, validation of arguments should happen in your Clojure
-  function, using your favorite tools (manually, spec, schema, malli...). As
-  such, the library only focuses on coercion: turning argument strings into data
-  which is then passed to your function.
 
 Both `:` and `--` are supported as the initial characters of a named option, but
 cannot be mixed. See [options](https://github.com/babashka/cli#options) for more