> What Google requires of OEMs has been known for a long time and isn't a secret.

They aren't being fined for keeping secrets.

> Huawei and others successfully sell Android forks with alternative stores and apps.

If it takes a 1 billion person market with no access to Google services and multiple gigantic partially state-owned companies (Baidu, Huawei, and Tencent at least) to create a competitor that's only viable in that one market, I would argue that it's good evidence India is on the right track here saying that Google has market dominance.