https://www.mikeperham.com/2016/02/09/kill-your-dependencies/
Rules to Remember
Some software engineering rules:
No code runs faster than no code.
No code has fewer bugs than no code.
No code uses less memory than no code.
No code is easier to understand than no code.
Kill those dependencies. Your gems and apps will be better for it.
感觉很有道理,俺觉得 Ruby 社区应该兴起一场简化依赖的运动......