I just spent 10 minutes in the Grimm dictionary checking if there was ever a case where wegen would be followed by accusative.... Interestingly, they tend to s

I just spent 10 minutes in the Grimm dictionary checking if there was ever a case where wegen would be followed by accusative.... Interestingly, they tend to say wegen comes from "von wegen" with the meaning of "by ways of" making genitive more evident.