See the section on false positives. Also, it’s easy to contribute to the data scraper to fix issues, if you get a lot of false positives.

Example of how easy it is:
https://github.com/alexkimxyz/nsfw_data_scraper/pull/31/commits/233b8191b3771884f5de7184a5be3f231c8a8f19#diff-e7ff131c792c165e520ba2c3a9ad4d7c