Mathematical language is not really well understood by many people. People could mistakenly use "regular average" when they really want the 'average per month' but that doesn't change the meaning of those phrases, just as people composing about "stationery vehicles" does not change the meaning of "stationery" or "stationary". https://financefeeds.com/top-analyst-predicts-bitcoin-meme-coin-btcbull-will-explode-when-presale-ends-next-week/