Their “customer retention” process is extremely aggressive, even by most traditional print publications’ standards.
I'm paying everyone via paypal and just cancel the paypal subscription without ever bothering replying to any email. That works wonders :-)
And wasn't there a law (in EU) that signing up should be as easy and cancelling, if anyone remembers. Most of them allow signup via website but ask you to call to cancel (even after cancelling online, SZ).
I say this as a previous subscriber to FAZ, SZ, and the Economist.