Could be. Like I said, they don't publish the exact data, so all we can go off of are estimates from others in the industry. Could be more, could be less.
Doesn't change much in this context, though. Google has little obligation to make their products available for free. Yet YouTube is still largely a free-to-use platform, anyway.
And, ironically, "free" still comes at a cost, being your time and your data.