Yeah I noticed that too.

I found this quote supposedly attributed to Mozilla, as far as I can tell this is the whole issue, everything else is chuds on X running with it.

Kit (he/she/they/them/it) is the user’s constant companion. Wherever they choose to roam, Kit will accompany and guide them with clever, playful encouragement and support — giving the user the confidence to run free.

https://www.neowin.net/news/firefox-has-killed-its-old-mascot-heres-what-the-new-cute-one-looks-like/