I guess, but surely if you run the 20 million books on z-library (I guess there is some duplication) through 4 epoch you get way more than enough data to train

I guess, but surely if you run the 20 million books on z-library (I guess there is some duplication) through 4 epoch you get way more than enough data to train current models? You get like 100 trillion tokens, admittedly less after you deduplicate.