The physical copies of Bullipedia volumes are collector’s items. For example, Bullipèdia: The Book of Gels can cost upwards of $500 to $1,000 USD, if you can find it in print. Many volumes are out of circulation. Consequently, the represents a democratization of knowledge—a way for an unpaid stage to learn the same science as a three-Michelin-star chef.
The ethical stance for industry professionals is this: Use the PDF for research , not reproduction. The knowledge is free; the brand is not. bullipedia pdf exclusive