[jonas21]

Companies are required to provide California residents with an easy-to-use mechanism for cancelling subscriptions, and any subscription that you sign up for online must be cancellable online [1].

This actually works quite well. I've had no trouble cancelling any subscriptions in the past few years, including the New York Times, which took maybe 3 or 4 clicks from the account screen (IIRC, there was an optional "why are you cancelling?" screen, then they offered a discount, and that was it).

[1] https://leginfo.legislature.ca.gov/faces/billTextClient.xhtm...

[mrweasel]

That should be the default, signup and cancellations should be available via the same channel.