Let's not say "Why do Rubyists like this…", consider instead "Why do humans like this…". Some of us liked it because it was fun, and appealed to our sense of humor. Ruby was weird back then. Some of us didn't like it, and for them there was the Pickaxe book among others.
Personally I loved what _why did in the early Ruby scene. In fact one day I cold mailed him because I was feeling rather blue, and he sent back a link to a new project of his he hadn't released yet that blew my mind back then. It was smaller community, and there was more room for play and joy.
I don't care for onions, but I can appreciate the logistics of shipping one.
I wouldn't recommend this to somebody who had a serious project or task to solve.
However, I love that this added flavor to the Ruby community. For years afterwards people would hide Easter eggs like "chunky bacon" in their conference slides. It was a fun inside joke to share with fellow Rubyists.
I mean, Python has references to Monty Python skits in their stuff.
Sometimes it's just fun to be silly.
Why do you feel the need to be condescending and combative?