The point of veganism is to minimize the trauma we cause. I'm a realistic vegan. I understand that I have the possiblity to live as a vegan. A fisherman on the coast of Eritrea probably doesn't, and I don't expect him to.
If you live in a first world country, or in a third world county with a huge army and financial sector (i.e. the US) AND are in the top 20% of earners, it is a choice to be vegan or not. I choose to. It is healthier for me and the planet.
I don't judge those who don't make the same choice as me, as it took a long time for me to see the light, and I do my best not to be a hypocrite.