[rarepostinlurkr]

You are free to disable SIP and do whatever runtime injection or other modifications to binaries you please, provided you have the knowledge to do so. Just because they ship it in a default mode doesn't mean they stop you from cracking it open if that's your desire.

[nikatwork]

You're seriously suggesting that I should theme OSX manually using a hex editor?

Until the new equivalent of Flavours[1] is available, theming OSX is dead in the water.

[1] http://flavours.interacto.net/