Open source is a kind of licenses. Hyperscalers are a kind of service providers.
You cannot oppose these 2, these are completely unrelated concepts.
The walls around us are constantly being built up and caving in. Hyperscalers are trying to own more and more of the commons.
The web is becoming atrophied, search is a sales funnel, communication is taxed, we're about to be asked to use ID to use the Internet, ... everything is being stolen from us.
The two could not possibly be more related.