So it’s made of shit, right? And shit is an animal product. But barring a night of drinking or a particularly aggressive burrito, shitting does not harm the shitter; it’s beneficial and required. Also the animals in question can and do consent, does that make it vegan?
It’s also important to note that things like heart disease and cancer, of which red meat consumption increases the risks, are solved by the time replicators are widespread.
I remember hearing that cultivated red meat already delivers less risk, although it’s still not commercially viable
I wouldn’t be surprised if anytime you get teleported arterial plaque and cancer and bacteria gets filtered out in a pattern buffer
Unless you’re the protagonist of the week, in which case you suddenly develop a baffling resistance to teleportation.