Supporting the claim are several studies that pirates or piracy advocates are often familiar with.
https://www.cnet.com/tech/services-and-software/pirates-more...
https://www.vice.com/en/article/evkmz7/study-again-shows-pir...
https://corsearch.com/content-library/blog/does-piracy-impac...
https://www.journals.uchicago.edu/doi/full/10.1086/663157