[IanSanders]

There's also a "genuinely super easy way to unsubscribe, except it unfortunately is experiencing technical problems"

[Humdeee]

I'm sorry sir, but the Cancel button is only available on the Advanced plans. Please upgrade to cancel (and allow 30 days for changes to occur).

[selcuka]

That's what happens with many of the Unsubscribe (from mailing lists, that is) buttons unless they are provided by a reputable third party such as Mailchimp etc.