The FTC says otherwise in a release from 2021 -- https://www.ftc.gov/news-events/news/press-releases/2021/10/...

-- Provide easy and simple cancellation to the consumer. Marketers should provide cancellation mechanisms that are at least as easy to use as the method the consumer used to buy the product or service in the first place. --

Perhaps that's why the WSJ signup process is so complex? /s