Not just from an ethical standpoint, but from a logical one as well. The amount of food and water used to make a pound of meat for human consumption is ridiculously inefficient, in the face of Climate Change reducing the amount of Farmable land on Earth. Its super easy to start with meatless Monday's to start reducing the amount of meat one consumes and is how i started down my road to becoming a Vegetarian.

The thought of not cooking meat and centering their meal around it is honestly scary for alot of people who tie it to their cultural identities, because they lack the imagination to even ponder an alternative so they dig their heels in, and refuse to change. Incremental change is bettet than no change, and the wheel is always slow when it initially starts rolling.