[luckylion]

That goes for any activity that is harmful on any scale at any time frame. Smoking is obvious. Skiing? Your accident rate is higher than average, taking away health care resources from people who also need them, also nature is being negatively impacted. Watching Netflix? Have you ever thought about the power your TV needs, and the resources used to manufacture it?

That goes on and on. You may draw a line somewhere and declare "no, from here on it's nonsense", but there's no objectivity, there's no reason why the line should be exactly there, and not, say, on the other side of eating meat.