If we're not the audience then who is? This was made to the Chromium open source blog, which is typically a developer heavy blog (with previous topics like "Hint for low latency canvas contexts"). Throwing a few reference links at the bottom shouldn't harm their message with the less technically savvy.
I'm just guessing. Something else that sparks joy for me: the fact that Google will never give any of their announcements the titles they're justifying, like, "OMG, WE KILLED CSRF!", and that I'll have to dig in a bit to see how big a deal what they just did is. It's like every "Improving privacy and security on the web" is a little gift I get to unwrap. It's like Justin Schuh and Mike West's version of "one more thing".
which does go into a good deal of technical detail. A challenge is that even experienced web developers didn't know much about SameSite prior to this announcement.