Earlier quoted context omitted.
Google announced they surpassed 100 million subscriptions to Google one already and $15B in revenue for subscriptions (between YouTube premium, TV and Google one). I'm not sure your estimate is realistic.
I recently learned that my mother is subscribed to Google One. when I asked her why, she didn't even know what it was. IIRC she has like 1-2TB of cloud storage, but is only using like 10 gb of it. I wonder how many of those 100 million subscribers are non-techy people who accidentally signed up?
On the other hand, I am a "loyal" G customer and I never felt pushed into this. I pay for YT premium and iCloud+ (the equivalent to Google one, albeit with much less storage).