The article specifically states you won't lose access to anything you've paid for and you'll still be able to authenticate with that account. You just can't use it for mail, calendar, drive, etc. Just repoint your email to another service, export your calendar, and move your data somewhere else.

Considering GSuite is pretty much hot garbage in 2022, they're almost doing you a favor. Seriously, this is good for you. It'll be like you've been transported to the future!