hitlers' vegetarianism (why are we discussing this) is debatable. he reportedly ate meat throughout his chancellorship, but feel free to think what you like.
it's just unbearable for vegans to share something incommon with such a character.
i am a painter, you know. no denials here. the problem is more that calling ANYONE a vegetarian when they eat meat is an insult to those who stand by their beliefs.
i don't see any evidence of vegans imposing their views, just stating them. it seems to be the omnivores who are on the back footing here, being offensive etc. sorry to tar with a wide brush.
as for a lack of compassion in the animal, i don't know where to begin.
humans have the ability to interact with our society in any number of successful ways, animals not nearly so much. so it could be argued they need our help more than the poor on our streets.
but again, a question- why not stop eating meat, thus contributing less to a system of control and greatly reducing the amount of suffering you cause? many farmers are digging themselves a grave working for monolithic meat companies, because in the western world it's the easiest thing to do with a field.
most peoples' reasons for meat consumption boil down to taste, in my experience.