There are plenty of vegan athletes, and even vegan power lifters [0]. It’s totally possible to eat a plant based diet and have a lot of muscle mass.
[0[ https://www.greatveganathletes.com/category/vegan-powerlifte...
[0[ https://www.greatveganathletes.com/category/vegan-powerlifte...
You have to eat way more tofu, beans, eggs, etc. to get the equivalent amount of protein in chicken, steak, pork, etc.
> How many beans equal a serving of meat?
> In general, 1 ounce of meat, poultry or fish, ¼ cup cooked beans, 1 egg, 1 tablespoon of peanut butter, or ½ ounce of nuts or seeds can be considered as 1 ounce-equivalent from the Protein Foods Group.[1]