Yes, Germans probably need a funnybot in order to be funny.
I don't know what typically Germanic humour implicates. I actually never thought of it as being obscene and earthy, German humour.
Perhaps they were in the past, and that's where the inspiration of those Germans who migrated to Pennsylvania came from.
Germans are known for their business-like character and their organised approach.
Aboput the most popular 'German' comedian the past century or so seems to have been Rudi Carell (born Rudolf Kesselaar), who was really Dutch. They needed to import comedians from abroad...
My guess would be that Germans also have felt rather restricted in matters like humour due to their involvement in very serious matters like wars and such.