I think the case against battery farmed animals is a fair point if someone chooses to use that as the basis for their choice about what to eat. And it's sometimes just easier to go full vegetarian/vegan that to constantly wonder whether the meat you're being served is in fact free-range (or was raised and slaughtered in a way that did it's utmost to minimize any suffering).
When you consider how intelligent octopus, elephants, baboons etc. are, then again it's a valid stance when you choose to extend that recognition of sentience / intelligence to animals in general, and take a position of choosing not to raise and slaughter animals to feed ourselves.
I disagree with your point about a moral stance being moot. When people with money to spend support an industry that raises animals in such ridiculous conditions - where their lives are given the middle-finger so that we can have some nom nom KFC - I think there is a moral dilemma that extends beyond individual choice.
Certainly, I agree. But we're a long, long way from the average Joe in the street being prepared to give up his steak and boerewors because he suddenly grew a conscience.
There needs to be ethical and humane treatment of animals, always. I don't deny that. But I'd be ignorant to assume that everyone cares about "the greater good" as much as I do. So, I settle for people doing their best to buy cruelty-free products and lobbying for ethical and humane treatment of animals.
The statement I made, which you quoted, was to illustrate that vegetarianism is primarily just a dietary choice, the ethical/moral/emotional implications thereof are personal sentiments attached to it.
The dilemma which, as you say, extends beyond individual choice, is one that isn't easily solved. Whatever you do to survive, it will result in harm. Farming will result in animals, insects and life being lost so that we (and, no doubt our pets) might live. The number of rodents and small birds killed by combine harvesters every year are staggering--this is still a loss of life. It's not really easily preventable.
There are the large numbers of animals killed on the roads every year, the insects, arachnids, etc that we kill when they enter our homes. The marine life harmed by the fuel we use to power our cars or the life harmed to power our homes.
**** happens
Animals will eat animals and people will eat animals. It's normal, it's life. What's important to me isn't that people eat animals (but don't get me wrong, in an ideal world that wouldn't be acceptable any longer), but that the animals used for food are killed as humanely and painlessly as possible.
I also believe that there is something psychologically damaged about a person whose job it is to routinely kill animals (never mind someone who takes pleasure in it, such as for sport) and, certainly, I don't believe it's healthy to grow numb to the gore involved in killing, skinning, tanning, etc.
My frustration stems from the argument that vegetarians/vegans cannot own pets because of some purported moral code that cannot be broken once a person becomes a vegetarian. I just find the hyperbolic black-and-white perspective that either you can eat meat and do whatever you want with animals, or be a vegetarian and avoid them like the plague, an absurd and desperate attempt at discrediting what is inherently a very personal dietary/lifestyle choice for many.