And the old 10 CDs for $0.01 requiring a minimum full price purchase of some sort of subscription that is difficult to cancel has been around long before modern SaaS platforms.
The old "which long distance carrier do you want?" with an "I don't care" response resulted in you receiving the most expensive long distance plan from a company called "I Don't Care".
Just because scams/shaddy practices existed in the days of yore does not make them any more acceptable today.
Which is why companies that tell you what you'll pay up-front (Amazon, eBay) have made life hard for "traditional" sellers. Your sheep are tired of being fleeced.