Many of those who can't be bothered to write what they publish probably can't be bothered to read it themselves, either. Not by humans and certainly not for humans.
Someone always points out how Doom wasn't "real 3D" like it's some sort of gotcha. Games are smoke and mirrors, it's all a 2D grid of pixels at the end.
I know a lot of indie game developers that use Unity, and not having access to the source code to understand why something isn't working as expected is a very common complaint. Being able to dive into the code you're building on top of is a super power.