Notice how those two examples aren't restricted.
> Sites like facebook can sell your interests, google can sell them your search topics, etc.
Governments don't care for that kind of data, that's why they willing to restrict those. Even though the best reason to use Google, is because they know my previous search topics and what I clicked on.
I imagine Google filters the bad stuff, so you're not likely to actually see anything life scarring with that first search. But go ahead and run the experiment and see if anything comes of it.