It was literally there from day one (from day minus-a-bunch if you count the beta releases) and the hyperbolic inanity that led normal people to the misconception you had was never necessary in the first place.
I must admit that I am very curious why "git and 64 other files in /usr/bin are all the same size (18176 bytes on my machine)", why dtruss and strings fail, and what behavior changes when you turn rootless off.