You are right of course but I do not think Trump will sign it. The thing I first thought of when I read this had happened was, gee, I wonder if whoever buys it will think everything in it is true, that is number of typing mistakes I made while entering a url or all the wrong websites they will visit that they thought I was interested in only I wasn't
It's not just the web history but all personal info: ID number, home address, browsing history (which on HTTP websites includes login and password info, so make sure you use only HTTPS websites), and other invasive info.
Same thing is happening is europe:
https://steemit.com/privacy/@profitgenerator/no-privacy-for-you-slave-nazi-eu-version