And before someone comes in with very specific, anecdotal examples - notice I said "common", ie not buying your indie music from a retro-Serb band that plays using the concept of instruments as instruments and from abandoned sewers; but only on Mondays.
I definitely feel like the majority of crypto traffic is primarily due to bubbles/moneymaking/bets/pumps+dump and then the secondary/next closest use case is for criminal activity. And then after that perhaps the myriad of much smaller use cases like people paying for Proton using crypto.