Apologies if your comment was meant to be a parody as there's a bit of Poe's law around this stuff…
IE never supported AVIF. Edge even shipped AVIF later than Chrome. One of the leaders of JPEG XL worked at Google until relatively recently. A massive amount of JPEG XL development has been done by a team at Google.
I think they were calling Chrome the Internet Explorer of our age. Having a majority market share and getting to decide on de-facto standards and indeed practically halting JPEG XL’s adoption at one point, pretty much on a whim. All that stuff. :-)