It's got nothing to do with need. It's whether it would be useful or not. Consider programming. You don't need anything more than punch-cards to program. Yo

It's got nothing to do with need. It's whether it would be useful or not. Consider programming. You don't need anything more than punch-cards to program. You don't need anything more than assembler. But higher-level languages can be useful, because they can make the task easier, give you greater leverage.