Then there is the belief that it is "ok" if the people involved are consenting. Many people also believe there are shades of grey so even though they don't think pornography is good they don't think it should be banned.
For a long time there has been a system to keep performances from under-18s out of online porn, but the "Girls Do Porn" fiasco showed that a lot of porn is produced under false pretenses, which is a moral problem entirely different from pornography itself.
So that's a problem with the industry and I think it's just one form of "bullshit" that you'll experience if you are involved. It's not like being a pot grower who has not recourse if somebody steals their plants, but the industry has a high rate of declined credit cards, pay checks that bounce, and problems like that.
Not that you can't decide you want to put up with it.
For those of us who are unaware, can you briefly summarize? I'm somewhat averse to googling it.
https://www.justice.gov/usao-sdca/pr/girlsdoporn-owners-and-...
https://theappeal.org/girls-do-porn-police-reports/
https://www.documentcloud.org/documents/6469234-Pratt-Wolfe-...
As of why there is a stigma, it's because many people consider porn unethical, even if they participate in it, just like people who believe smoking is bad but still do it. It's not hypocrisy, it's more likely an addiction.