

There are companies to store and process IDs on behalf on the sites. Also it will give a hell of a lot more information to marketers who will pay tons for it to sell you crap they think you need. They already have far too much information on everyone already, but this will give them even more.
People have been making jokes about this exact scenario for decades… a conservative who hates abortions until his mistress needs one.
They will probably have a euphemism for abortion going forward in some hospitals thay will cater to this type of clientele… because Trump has shown that there really are people above the law.