It wasn’t too long ago that Europeans were mostly peasants working the fields, including my ancestors. They rarely ate meat and if they did it would be on a holiday or very special occasion. Killing a chicken means you can’t get eggs and it’s the same for milk producing animals like goats, sheep, or cattle. Not to mention you couldn’t hunt on the lords land. I’d say it’s been less than 200 years since Europeans could afford to eat meat.
The article is comparing Indian food to food that was only eaten by the European elite. I don’t think it’s an apples to apples comparison. It does give us a history of western food as we eat it today. Lots of good food history comes from the haute cuisine of the 1700s to early 1900s.