People make fun of places like Google for all their NIH software practice leading to duplication of effort, and justifiably so.
... but I'm finna build a 2D matrix of "Why do we use / instead of ...?" for every workflow management solution my company uses (there are 5), and I'm juggling like six configuration languages in my brain to get my job done, so lemme just say there are some upsides to the first question people get hit with when they want to import an open-source third-party thing being "Why do you want to use X instead of modifying the thing we already built?"