Yes, fair enough, parts of Google contributed to JPEG-XL, too. But the basic gist remains – for WebP they decided it was the greatest thing since slice bread and enabled it regardless of what the rest of the "ecosystem" thought, whereas now all of a sudden they're supposedly that much concerned, even though Chrome is by far and large the majority of that ecosystem, Apple prefers their own format choices anyway, and it's not as if it's not also a chicken-and-egg situation.