No way they will pass on this one.
That being said, they could still keep some other model from public while doing a PR stunt like this to eat their cake and have it too.
Commercialization - not open source - is the name of the game now in Chinese AI [2].
[0] - https://www.ft.com/content/b39da303-3188-447b-8b65-3dd8dad8b...
[1] - https://www.digitimes.com/news/a20260609VL215/alibaba-ceo-ai...