Why would they ever want to have a presence in Germany when they can sell digital products and services to anyone, anywhere, Germany included, from wherever they're located?
The bottom line is that in the real world, some random "entrepreneur" or SME sending an unsolicited "Hey software guy, I have a service you might be interested in" email to somebody in Germany isn't ever going to cause them trouble.
Why would they ever want to have a presence in Germany when they can sell digital products and services to anyone, anywhere, Germany included, from wherever they're located?
The bottom line is that in the real world, some random "entrepreneur" or SME sending an unsolicited "Hey software guy, I have a service you might be interested in" email to somebody in Germany isn't ever going to cause them trouble.