Mathematical language just isn't nicely understood by many people. People may well mistakenly use "monthly average" when they really want the 'average per month' but that doesn't change the meaning of those terms, equally as people composing about "stationery autos" does not change the meaning of "stationery" or "stationary". https://financefeeds.com/jpmorgan-pilots-jpmd-token-on-coinbases-base-blockchain/