[layer8]

Because that wouldn’t degrade gracefully with a different font.

[odo1242]

I mean, “googlelogoligature” degrades just as gracefully as “undefined”, I would say

(Which is to say that it doesn’t)

[layer8]

I guess we have to disagree on that. When the Apple private-use code point shows as a box, you have no idea what it is supposed to represent. With the ligature you have the equivalent of an alt text.