Comment by 0xbadcafebee

Readability doesn't matter much when you have 10,000+ lines of code. You aren't going to read all that code, and new code introduced by other people continuously isn't something you can keep track of, so even if you understand one tiny bit of code, you won't know about the rest. You need a system of code management (documentation, diagram, IDE, tests, etc), to explain in a human-friendly way what the hell is going on. Small chunks of code will be readable enough, and the code management systems will help you understand how it relates to other code.