Which explains why Bill Walton's career was shorter and less productive than his coaches and contemporaries expected. He needed protein, but he denied himself his needed nutrition.
Therefore I explain vegans as the latest iteration of millenialists, religious enthusiasts, Hesychasmists, Lollards, Gnostics, Sufi dervishes, and Solar Temple acolytes, all of whom firmly believe things contrary to fact or contrary to nature. Moonbats, we sometimes call them.
I read that line with a cultured, stuffy British accent and it made LOL!