The "20 kinds of tofu" you can get in any Chinese grocery stores are often slightly changed variants (i.e. silk, soft, firm, hard tofu are pretty similar), and usually poor in quality.
He did not exaggerate the vegetarianism aspect as well, if you visit Temples in China, affiliated / non-affiliated restaurants nearby boasts "vegetarian feast" aka "全素斋" , some even name it a culture as "素斋文化". They make Tofu taste like meat and looks like meat, it is definitely a big thing and you could search for photos on how close these food look like real meat/fish and the popularity.