Mathematical language just isn't nicely understood by many people. People might mistakenly use "regular monthly average" when they actually want the 'average per 30 days' but that doesn't change the meaning of those terms, just as people composing about "stationery automobiles" does not change the meaning of "stationery" or https://financefeeds.com/bitrue-hacker-resurfaces-launders-30m-through-tornado-cash/