What the hell do you expect? To get paid for using other people's tools on Google's servers?
they're being suspended for using a private api outside of the app for which the api was intended. If you make a clone of the hbo app, so that you can watch hbo shows without ads by logging in with your discounted ads-included membership, your account will also be suspended.
You are at the grocery store, checking out. The total comes to $250. You pay, but then remember you had a coupon. You present it to the cashier, who calls the manager over. The manager informed you that you've attempted to use an expired coupon, which is a violation of Paragraph 53 subsection d of their Terms of Service. They keep your groceries and your $250, and they ban you from the store.
Google is acting here like it was entitled to a profitable transaction, and is even entitled to punish anyone who tries to make it a losing transaction. But they're not the police. No crime was committed.
Regular businesses win some and lose some. A store buys widgets for $10 and hopes to sell them for $20, but sometimes they miscalculate and have to unload them for $5. Overall they hope their winners exceed their losers. That's business.
They are being banned (not suspended) for breaking the ToS, not for what you imagine them to be suspended for.
It doesn't matter how expensive a provider plan you purchase, the provider is free to end their contract with you, permanently if they want to, if you breach their terms of service.
You also get the same freedom.