I get the feeling you're reading this too literally. I think eyelidlessness is talking about using a technique that is analogous or similar to that of a virtual DOM. Nobody is talking about an actual DOM.
Ultimately decisions about diet are made by yourself and affect nobody else (unless maybe you're feeding dependents). Smoking is prohibited in public areas for the same reason that businesses are shuttered now; it subjects others who do not have a choice to a situation that is quite frankly dangerous.