Reuters CLEAR has no clear opt out and is being sold as "prevention" (precog). https://legal.thomsonreuters.com/en/products/clear-investiga...
LexisNexis https://optout.lexisnexis.com/
Exactis has no clear opt out. https://www.exactis.com/about-us/
PeekYou https://www.peekyou.com/about/contact/ccpa_optout/do_not_sel...
How hard can it be to combine one more database entry into a deanonymisation process?