Average income per user is (say) $10/year. 80% of population is worth $5 and 20% is worth $30 ; but all of the YT premium subscriber are from the 20%, so despi

Average income per user is (say) $10/year. 80% of population is worth $5 and 20% is worth $30 ; but all of the YT premium subscriber are from the 20%, so despite the average only being $10, offering it for less than $30 will lose money.