It’s a text generator. All these people, were they to live in Antiquity, would jump ship to ship trying to visit every oracle and prophet in the Mediterranean asking questions about universe and seeking deep meaning in short texts of the Chinese fortune cookie kind.
Also Gecko’s development is led by people thinking that it being usable outside of Firefox\Thunderbird is a bad thing. There was a time when Gnome’s browser was based on Gecko, not WebKit. And in general it’s influenced by bad practices.
SerenityOS is an amazing project, of course. To do so much work for something completely disconnected from the wider FOSS ecosystem, and with such results.
So it’s cool that they’ve decided to split off the browser as its own project.