Why do humans need a IDE when we could do anything in a shell?
Interface give you the informations you need at a given moment and the actions you can take.
To me a better analogy would be: if you're a household of 2 who own 3 reliable cars, why would you need a 4th car with smaller cargo & passenger capacities, higher fuel consumption, worse off-road performance and lower top speed?
normie3000|6 months ago