We need a law that requires it to be no more difficult to unsubscribe from anything then it is to subscribe to that thing. If you can subscribe with one click on the website then you must be able to unsubscribe with one click on the website. The law should make it individually actionable in small claims court for each subscriber that is inconvenienced to recover damages and not allow arbitration clauses to override that right.
This reminds me of my gym membership. They said I had to come in person to cancel it instead of by phone. So I cancelled my credit card naively thinking that my gym membership would be cancelled. After a few months I get letters and calls from a collection agency demanding the monthly payments and an additional late fee of $100