How do you go from “calculate that it would take longer than the age of the universe for room-temperature window glass to visibly deform” to “so the. It does fl

How do you go from “calculate that it would take longer than the age of the universe for room-temperature window glass to visibly deform” to “so the. It does flow”? Glass flows a higher temperatures where it does act like a liquid, you can study glass blowing for examples, however no, room temperature glass is not a liquid and does not flow, for any practical definition of what flowing is.