Well, since you seem to have insight as to the reasoning behind others' choices, perhaps you could enlighten us how someone came up with the idea of writing 20K lines of shell and passing it off to a community of Ruby developers as a "command line tool"?
Insight comes simply from having read the linked page. But at a guess, I'd say it comes from "let's do something small and simple in bash" combined with a bad case of incremental feature creep.
