There's also a single mill in Scotland producing traditional peasemeal made from parched peas. Milled parched grain is also recognized currently as traditional foods in Swabia (musmehl), Tibet (tsampa), Mexico (pinole), North Africa (frikkeh), and South America (máchica). It's probably elsewhere as well, but hasn't been well-publicized on the Internet. So it's not totally absent but not as ubiquitous as it should be treated in the popular mind.

People think American-style breakfast cereals are products of the Industrial Revolution, but really it's the disnial* of parched grain. Cheerios are just toasted oats extruded into regular shapes. It's similar to how coca-cola is just basically just non-alcoholic mulled wine/ale.

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* "This peculiar and specific act — the enclosure of commonwealth culture for the benefit of a sole or corporate owner — is close kin to what could be called imperial plagiarism, the free use of Third World or “primitive” artworks and styles by more privileged (and better-paid) artists. [...] And for every James Joyce or Woody Guthrie or Martin Luther King Jr., or Walt Disney, who gathered a constellation of voices in his work, there may seem to be some corporation or literary estate eager to stopper the bottle: cultural debts flow in, but they don’t flow out. We might call this tendency “source hypocrisy.” Or we could name it after the most pernicious source hypocrites of all time: Disnial."

https://harpers.org/archive/2007/02/the-ecstasy-of-influence...