Were our ancestors meat eaters millions of years ago?

When did our ancestors start eating meat? An exciting archeological find supports the idea that we needed meat to survive as early as 1,5 million years ago. That means our ancestors had probably been eating meat regularly for a long time prior to that date.
The piece of bone above comes from a two years old child that may have died from lack of (vitamin B12) meat millions of years ago. Thus veganism without B12 supplementation may have been dangerous for a long time!
Sci-news.com: 1.5-Million-Year-Old Skull Fragment Shows Oldest Evidence of Regular Meat Consumption
Here’s the study behind the news.
More
Guide to red meat – is it healthy?
The ethics conversation can go around in circles forever. In this context (blog) however, the focus is on the foods to eat that will keep a human as healthy as they can be. I, and most (>95% that eat meat) others consider that to be all the ethical consideration necessary.