The punchline was that, IIRC, it's an Electron app.
Also PG and others were evidently very upset that, aside from just laughing at the obvious humor of the situation, lots people expressed wishes—for a bunch of reasons; e.g its most viable business models all seem to involve spying or other shady behavior; it's just a bad sign for where the Web is at so it would be sad to see that become normal—that the company doesn't do very well.
Especially the last part.
He is not completely wrong, but also visibly bitter.