Generally, less code is easier to understand than more code; however, there is a point at which code is so dense that it becomes hard to read.
Code is read much more often than it is written.
Code frequently lives longer than we want it to.
The person who tests or maintains a piece of code is frequently not the original author.
At scale, the skill level of developers reading/writing/maintaining/testing code is going to be a normal distribution around the mean of "not expert."
Q&A for professional and enthusiast programmers
Q&A for entrepreneurs faced with delivering a new product or service under conditions of significant uncertainty
Q&A for computer enthusiasts and power users
Q&A for professional programmers interested in conceptual questions about software development
Q&A for Ubuntu users and developers
Q&A for power users of web applications
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for enthusiasts and power users of the Android operating system
Q&A for software quality control experts, automation engineers, and software testers
Q&A for people wanting to improve their personal productivity
Q&A for those using, extending or developing Emacs
Q&A for people seeking specific software recommendations
Q&A for anime and manga fans
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Q&A for system and network administrators