I wanted to write exactly the same comment
Same problem here (in Germany). I have the feeling paypal deactivated the "pay once without creating an account" function. Some days ago I had the same problem with an onlineshop. Can anyone confirm this?
offtopic: I love the element-hiding extension: To be able to choose what I see.. especially e-mail providers with their super annoying vip, pseudo-science and cute-animal "NEWS" look so beautiful when I'm done and suddenly there's just what I came for: a login!
->so let us say thank you by a donation..