The other thing is that you spend 10+X the initial effort of the feature for error handling. I sometimes envy all these "Internet" programmers who only have to

The other thing is that you spend 10+X the initial effort of the feature for error handling. I sometimes envy all these "Internet" programmers who only have to deal with the web and don't have to worry about esoterica like, e.g., \x80 being the space character in old WordPerfect files.