I did read it. The author makes an arbitrary distinction between "consequentialist" and "ethical consequentialist" vegetarians and implies the second category is comprised entirely of those concerned with animal welfare.
> Some consequentialists may be vegetarian because of environmental concerns, and others for non-consequentialist reasons, but these are not my main focus here.
as acknowledging that there are other kinds of consequentialists, those that have other ethical reasons for not eating meat, but that he's not talking about them.