All the talk about coding standards is *mostly* geared towards the professional software developers, those of us who work on large projects with a team of others, and who do that every day. If you're someone who is just willing to dig in and contribute, please continue to do so, feel free to read this article, but it's not really for you.
But let's say you're a programmer. You write great code, that does a lot of good stuff! If you're on the Drupal project, you've probably submitted several patches and even contributed a few modules.