[youknow123]

They needed private IP ranges that wouldn't conflict with the real internet. 192.168 was just sitting there unused, so they grabbed it along with 10.x.x.x and 172.16-31.x.x.

[Symbiote]

Read the article rather than making something up.

[marcusb]

It isn't an article, but a mailing list post, and the post starts out with:

  This is a fuzzy recollection of something I believe I read, which might well be inaccurate, and for which I can find no corroboration.  I mention it solely because it might spark memories from someone who actually knows:

Spoiler: it sparks one memory from one person, who winds up being mistaken.

Offering an alternative hypothesis seems reasonable given the content of the post.

[bmacho]

Which article? The posted emails? Superuser audience disagree https://superuser.com/questions/784978/why-did-the-ietf-spec...

[rzzzt]

Narrator: noone came up with an answer. Someone purported the origin to be Sun but it turned out they used a different address in examples.

[3np]

And what did you learn from what article, actually?