What did you do wrong and why was it dumb? What’s the correct way?
Incidentally, one of the cords on the blinds in my office is worn, and it dis a poor job of engaging. So one side will latch the others will not.
If OP came out assuming a Nairobi design that wasn't used anywhere else, or if they went to the heise.de forums and posted the above; now that would be odd/call-out worthy.
If an American that spoke German did the same in a German-majority space they would be met with pretty massive derision.