> which would only be useful if the method was void-returning or returned the this-instance Simply untrue, there are plenty of times methods have side-effects

> which would only be useful if the method was void-returning or returned the this-instance Simply untrue, there are plenty of times methods have side-effects that return something other than void or itself, e.g: - Incrementing a value and returning the current value - Inserting or Updating rows and returning the number of rows affected - Setting an entry and returning whether there was an existing entry or not