I don't think the structure of the "business requirements" argument is correct, and I will try to explain why.

To a first approximation, the reason modern software is slow isn't due to failure to optimize this algorithm or that code path, but rather the entire pancake stack of slow defaults — frameworks, runtimes, architectures, design patterns, etc. — where, before you even sit down and write a line of "business logic" code, or code that does something, you're already living inside a slow framework written in a slow language on top of a slow runtime inside a container with a server-client architecture where every RPC call is a JSON blob POSTed over HTTP or something. This is considered industry standard.

The "business requirements" guy is basically saying, I have to ship this thing by friday, I'm just going to pick the industry standard tools that let me write a few lines of code to do the thing I need to do. Ok, but that's the tradeoff he's making. He's deciding to pick up extremely slow tools for the sake of meeting his immediate deadline. That decision is producing unacceptable results.

It's not enough just to say people have different priorities. Selecting an appropriate point on multivariate system of tradeoffs is part of the skill of being a programmer. And if there's no point on the curve that delivers acceptable results in all categories — if, given a certain set of tools, it's not possible to ship quickly and deliver acceptable performance — then it should be an impetus for the programmer, the craftsman, to find better tools, improve his skills, push the "production curve" outward, until he can meet all the requirements.

For instance, a large percentage of modern programmers don't really know how to program from first principles, and tell the computer to do precisely and only the thing it needs to do. Essentially they only know how to glue tools together. Then in their head they're like, well gee, given that skillset, I could either (1) spend a bunch of time optimizing "hot spots," writing crazy algorithms, heroically trying to fight through all that slowness... or I could just (2) deliver the business logic and call it a day. Then they call this "prioritizing business requirements." No, there's a third, alternative, better option, which is to use better tools, which might initially be harder and more time consuming and less ergonomic to use, and then learning to get good with those tools, putting in the practice, recognizing patterns, thinking faster over time, coding faster... all of this is part of what mastering the trade of programming is about.

At the end of the day, there is just an ethic of self improvement and craftsmanship that is totally missing from programming today, and it surfaces whenever this debate comes up.

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user:	brhsagain
created:	January 2, 2021
karma:	817