Why must I not fake it? Who cares? If someone wants to eat meat substitute, who are you to tell them otherwise?

You sounds like when the LED lightbulb that reduces energy usages of the old light bulb by 100 times, you will say "Why fake it? If you want to reduce energy usage, you must live without electriciy! Using newer, more energy efficient light bulb just means you don't save the world the true way".