[zanny]

And what would he do about an international tip service that is not incorporated in Austria that pestered him like this?

The jurisdiction of almost any country besides the US in terms of what happens online is almost nil. I don't see the recourse an Austrian would take against an online tip service in China or South Africa that spams them with tip notifications.

[cbsmith]

Actually, in most first world countries you'd have a hell of a time doing this for very long or on much of a scale without the authorities catching up with you.

Sure, services in other countries could still maybe get up and running, but they'll have a harder time finding donors.