Terminals aren't "interactive prompts". They're requests. All requests need to be iterated on, in real time. So no one asks the perfect question immediately -

Terminals aren't "interactive prompts". They're requests. All requests need to be iterated on, in real time. So no one asks the perfect question immediately - it takes attempts, where the answer is no, or failure. So how fast we can interpret what the answer a terminal gives us is important. And a picture, or immediate visual interpretation, is worth more than a thousand words.