> but Google didn't buy its way into dominance and maintain their dominance through exclusivity deals.

Then they wouldn't have those deals in the first place.

Companies don't just piss off money for no reason. And the reason is simple: They want no competition - they strictly maintain their dominance through them.

Just saying "No" isn't enough. You have to explain why they have those deals if you think this isn't the reason why. Otherwise, anyone reasonable must disagree by default.