Weiß nicht is a common everyday phrase in German, so the clip spread less as a quote from a known scene and more as a reusable reaction among German-speaking meme pages and group chats. Its appeal is the contrast between a normal question and a completely unhelpful answer. Similar short German phrase clips like Du bist gut genug circulate the same way, shared as voice notes, soundboard buttons and edit punchlines rather than as full videos, which helps this one stay useful even without a famous source attached.