Part of that is because software development is usually concerned with optimizing things for their sale value, not for being useful. In my example, a lot of problems could easily be solved with the same CRUD stack, if not for the needs concerning the design (i.e. it can't look similar to that competitor's thing) and other goals unrelated to actual use of the product.

A doctor doesn't really treat a cold though. They can treat an infection with anti biotics, they can treat something more specific than a cold with something. But if you come in with just a typical cold and say "treat me," they'll give you a placebo and prescribe lots of rest and water.