Because everyone thinks of themselves as being above median, and a wiz at the tools. They know all the flags, workflows etc memorized and think everyone should

Because everyone thinks of themselves as being above median, and a wiz at the tools. They know all the flags, workflows etc memorized and think everyone should be like them. Whilst in the real world the other half do things like 'git commit -a' to make commits which likely picks up unwanted gunk. A gui does not require memorizing flags and makes everything plain.